US Bridges

Old HWY 31 over Flint Creek

Fair

Morgan County, Alabama · 0.5 MI W FR 31 · Structure no. 014686

Built
1922
103 years old, rebuilt 1989
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
186 ft
7 main spans
Daily traffic
1,440
2007 count
Owner
County
County Highway Agency

About this bridge

Old HWY 31 over Flint Creek is a concrete tee beam carrying Old HWY 31 over Flint Creek in Morgan County, Alabama. It was built in 1922 and reconstructed in 1989, so it is 103 years old, older 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 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 1,440 vehicles a day, roughly 5% of them trucks, projected to reach 2,994 by 2044. The structure is 186 ft (56.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld HWY 31
CrossesFlint Creek
Location0.5 MI W FR 31
RouteCounty Highway 45
StateAlabama
Coordinates34.33387, -86.90868
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.9 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length186 ft (56.8 m)
Longest span27 ft (8.2 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,440 (2007)
Projected traffic2,994 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 31 over Flint Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1989.

What condition is Old HWY 31 over Flint 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 July 2024.

How much traffic does Old HWY 31 over Flint Creek carry?

About 1,440 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is Old HWY 31 over Flint Creek?

The structure is 186 ft (56.8 m) long with a longest span of 27 ft (8.2 m) and a deck 30 ft wide.

Who owns Old HWY 31 over Flint Creek?

It is owned by the County Highway Agency.