US Bridges

US 31 over CSX Rr/Bay Minette

Good

Baldwin County, Alabama · 1 MI N JCT SR 59 · Structure no. 017919

Built
2002
23 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
1 main span
Daily traffic
7,545
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 over CSX Rr/Bay Minette is a prestressed concrete stringer/multi-beam or girder carrying US 31 over CSX Rr/Bay Minette in Baldwin County, Alabama. It was built in 2002, so it is 23 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,545 vehicles a day, roughly 4% of them trucks, projected to reach 11,317 by 2041. The structure is 168 ft (51.3 m) long and 71 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 31
CrossesCSX Rr/Bay Minette
Location1 MI N JCT SR 59
RouteU.S. Route 31
CountyBaldwin County
StateAlabama
Coordinates30.89023, -87.75864
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.9 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length168 ft (51.3 m)
Longest span66 ft (20.1 m)
Deck width71 ft (21.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,545 (2021)
Projected traffic11,317 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 31 over CSX Rr/Bay Minette built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 31 over CSX Rr/Bay Minette in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does US 31 over CSX Rr/Bay Minette carry?

About 7,545 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is US 31 over CSX Rr/Bay Minette?

The structure is 168 ft (51.3 m) long with a longest span of 66 ft (20.1 m) and a deck 71 ft wide.

Who owns US 31 over CSX Rr/Bay Minette?

It is owned by the State Highway Agency.