US Bridges

SH 109-LOGAN Co. over Prairie Branch

Fair

Logan County, Arkansas · 2.05 MI N. JCT HWY 10 · Structure no. 000000000002749

Built
1952
73 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
1,400
2018 count
Owner
State
State Highway Agency

About this bridge

SH 109-LOGAN Co. over Prairie Branch is a concrete culvert carrying SH 109-LOGAN Co. over Prairie Branch in Logan County, Arkansas. It was built in 1952, so it is 73 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 1,400 vehicles a day, roughly 3% of them trucks, projected to reach 2,013 by 2028. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSH 109-LOGAN Co.
CrossesPrairie Branch
Location2.05 MI N. JCT HWY 10
RouteState Highway 109
CountyLogan County
StateArkansas
Coordinates35.17808, -93.80692
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.4 m)
Longest span9 ft (2.7 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2018)
Projected traffic2,013 by 2028
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 109-LOGAN Co. over Prairie Branch built?

It was built in 1952, making it 73 years old in 2025.

What condition is SH 109-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 109-LOGAN Co. over Prairie Branch carry?

About 1,400 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is SH 109-LOGAN Co. over Prairie Branch?

The structure is 31 ft (9.4 m) long with a longest span of 9 ft (2.7 m) and a deck 31 ft wide.

Who owns SH 109-LOGAN Co. over Prairie Branch?

It is owned by the State Highway Agency.