US Bridges

US231 SR75 over Bayou George

Fair

Bay County, Florida · 2.48MI N of CR2321 · Structure no. 460028

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
325 ft
13 main spans
Daily traffic
15,250
2022 count
Owner
State
State Highway Agency

About this bridge

US231 SR75 over Bayou George is a concrete slab carrying US231 SR75 over Bayou George in Bay County, Florida. It was built in 1970, so it is 55 years old, older than the Florida average of 41.3 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 15,250 vehicles a day, roughly 12% of them trucks, projected to reach 26,459 by 2044. The structure is 325 ft (99.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS231 SR75
CrossesBayou George
Location2.48MI N of CR2321
RouteU.S. Route 231
CountyBay County
StateFlorida
Coordinates30.25738, -85.54517
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans13
Design loadHL 93
Structure length325 ft (99.1 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2022)
Projected traffic26,459 by 2044
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US231 SR75 over Bayou George built?

It was built in 1970, making it 55 years old in 2025.

What condition is US231 SR75 over Bayou George 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 January 2025.

How much traffic does US231 SR75 over Bayou George carry?

About 15,250 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US231 SR75 over Bayou George?

The structure is 325 ft (99.1 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns US231 SR75 over Bayou George?

It is owned by the State Highway Agency.