US Bridges

US 31 over Mc Curtin Creek

Fair

Baldwin County, Alabama · 3.5 MI N JCT SR 59 · Structure no. 004001

Built
1951
74 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
136 ft
4 main spans
Daily traffic
4,764
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 over Mc Curtin Creek is a concrete tee beam carrying US 31 over Mc Curtin Creek in Baldwin County, Alabama. It was built in 1951, so it is 74 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 4,764 vehicles a day, roughly 4% of them trucks, projected to reach 7,146 by 2041. The structure is 136 ft (41.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 31
CrossesMc Curtin Creek
Location3.5 MI N JCT SR 59
RouteU.S. Route 31
StateAlabama
Coordinates30.90894, -87.72293
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,764 (2021)
Projected traffic7,146 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 31 over Mc Curtin Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is US 31 over Mc Curtin 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 April 2023.

How much traffic does US 31 over Mc Curtin Creek carry?

About 4,764 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is US 31 over Mc Curtin Creek?

The structure is 136 ft (41.5 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns US 31 over Mc Curtin Creek?

It is owned by the State Highway Agency.