US Bridges

State Highway 45 over Johnson Branch Seb. Co.

PoorPosted for load

Sebastian County, Arkansas · JCT SH 45 & SH 252-SEC 0 · Structure no. 000000000000881

Built
1958
67 years old
Condition
Poor
inspected June 2024
Type
Channel Beam
Concrete
Length
133 ft
7 main spans
Daily traffic
1,305
2018 count
Owner
State
State Highway Agency

About this bridge

State Highway 45 over Johnson Branch Seb. Co. is a concrete channel beam carrying State Highway 45 over Johnson Branch Seb. Co. in Sebastian County, Arkansas. It was built in 1958, so it is 67 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,305 vehicles a day, roughly 1% of them trucks, projected to reach 1,845 by 2028. The structure is 133 ft (40.5 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesState Highway 45
CrossesJohnson Branch Seb. Co.
LocationJCT SH 45 & SH 252-SEC 0
RouteState Highway 45
CountySebastian County
StateArkansas
Coordinates35.10307, -94.36748
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating17 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,305 (2018)
Projected traffic1,845 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$402,000
NavigationNo navigation control on waterway

Frequently asked questions

When was State Highway 45 over Johnson Branch Seb. Co. built?

It was built in 1958, making it 67 years old in 2025.

What condition is State Highway 45 over Johnson Branch Seb. Co. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does State Highway 45 over Johnson Branch Seb. Co. carry?

About 1,305 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is State Highway 45 over Johnson Branch Seb. Co.?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns State Highway 45 over Johnson Branch Seb. Co.?

It is owned by the State Highway Agency.