US Bridges

731 over Affonee Creek

Fair

Bibb County, Alabama · Oakmulgee District · Structure no. 080104000003043

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
68 ft
2 main spans
Daily traffic
50
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

731 over Affonee Creek is a prestressed concrete channel beam carrying 731 over Affonee Creek in Bibb County, Alabama. It was built in 1987, so it is 38 years old, younger than the Alabama average of 51.1 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 68 ft (20.7 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
Carries731
CrossesAffonee Creek
LocationOakmulgee District
RouteFederal Lands Road 731.1
CountyBibb County
StateAlabama
Coordinates32.96611, -87.31611
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span32 ft (9.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1992)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 731 over Affonee Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is 731 over Affonee Creek 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 October 2023.

How much traffic does 731 over Affonee Creek carry?

About 50 vehicles per day (1992 count).

How long is 731 over Affonee Creek?

The structure is 68 ft (20.7 m) long with a longest span of 32 ft (9.8 m) and a deck 16 ft wide.

Who owns 731 over Affonee Creek?

It is owned by the U.S. Forest Service.