US Bridges

State Highway 309 over Carter Creek - Logan Co.

Fair

Logan County, Arkansas · 11.6 MI S JCT HWY 109 · Structure no. 000000000018376

Built
1936
89 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Masonry
Length
27 ft
2 main spans
Daily traffic
480
2018 count
Owner
State
State Highway Agency

About this bridge

State Highway 309 over Carter Creek - Logan Co. is a masonry arch - deck carrying State Highway 309 over Carter Creek - Logan Co. in Logan County, Arkansas. It was built in 1936, so it is 89 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 5 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 480 vehicles a day, roughly 5% of them trucks, projected to reach 1,477 by 2028. The structure is 27 ft (8.2 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesState Highway 309
CrossesCarter Creek - Logan Co.
Location11.6 MI S JCT HWY 109
RouteState Highway 309
Coordinates35.19058, -93.62347
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating22 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2018)
Projected traffic1,477 by 2028
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Highway 309 over Carter Creek - Logan Co. built?

It was built in 1936, making it 89 years old in 2025.

What condition is State Highway 309 over Carter Creek - Logan Co. 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 July 2023.

How much traffic does State Highway 309 over Carter Creek - Logan Co. carry?

About 480 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is State Highway 309 over Carter Creek - Logan Co.?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 31 ft wide.

Who owns State Highway 309 over Carter Creek - Logan Co.?

It is owned by the State Highway Agency.