US Bridges

US 90 over Rock Creek

Fair

Baldwin County, Alabama · 0.6 MI E of S JCT SR 59 · Structure no. 000618

Built
1929
96 years old, rebuilt 1931
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
6,884
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 over Rock Creek is a concrete culvert carrying US 90 over Rock Creek in Baldwin County, Alabama. It was built in 1929 and reconstructed in 1931, so it is 96 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 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 6,884 vehicles a day, roughly 9% of them trucks, projected to reach 10,326 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 90
CrossesRock Creek
Location0.6 MI E of S JCT SR 59
RouteU.S. Route 90
CountyBaldwin County
StateAlabama
Coordinates30.56381, -87.70734
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating68.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,884 (2023)
Projected traffic10,326 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$359,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90 over Rock Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1931.

What condition is US 90 over Rock 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 November 2024.

How much traffic does US 90 over Rock Creek carry?

About 6,884 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 90 over Rock Creek?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns US 90 over Rock Creek?

It is owned by the State Highway Agency.