US Bridges

SH 197-LOGAN Co. over Prairie Branch

Fair

Logan County, Arkansas · 1.20 MI N of Subiaco · Structure no. 000000000003584

Built
1962
63 years old, rebuilt 1964
Condition
Fair
inspected June 2024
Type
Channel Beam
Prestressed Concrete
Length
62 ft
2 main spans
Daily traffic
2,100
2018 count
Owner
State
State Highway Agency

About this bridge

SH 197-LOGAN Co. over Prairie Branch is a prestressed concrete channel beam carrying SH 197-LOGAN Co. over Prairie Branch in Logan County, Arkansas. It was built in 1962 and reconstructed in 1964, so it is 63 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,100 vehicles a day, roughly 1% of them trucks, projected to reach 3,221 by 2028. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 197-LOGAN Co.
CrossesPrairie Branch
Location1.20 MI N of Subiaco
RouteState Highway 197
CountyLogan County
StateArkansas
Coordinates35.32494, -93.63213
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2018)
Projected traffic3,221 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$302,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 197-LOGAN Co. over Prairie Branch built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1964.

What condition is SH 197-LOGAN Co. over Prairie Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does SH 197-LOGAN Co. over Prairie Branch carry?

About 2,100 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 197-LOGAN Co. over Prairie Branch?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns SH 197-LOGAN Co. over Prairie Branch?

It is owned by the State Highway Agency.