US Bridges

Co. Rd. 57 over Styx River

Good

Baldwin County, Alabama · 0.5 Mi. E. of Al. Hwy. 31 · Structure no. 017120

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
1,739
2022 count
Owner
County
County Highway Agency

About this bridge

Co. Rd. 57 over Styx River is a concrete channel beam carrying Co. Rd. 57 over Styx River in Baldwin County, Alabama. It was built in 1999, so it is 26 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 1,739 vehicles a day, roughly 1% of them trucks, projected to reach 2,348 by 2042. The structure is 102 ft (31.1 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCo. Rd. 57
CrossesStyx River
Location0.5 Mi. E. of Al. Hwy. 31
RouteCounty Highway 57
StateAlabama
Coordinates30.81494, -87.76089
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.6 US tons
Inventory rating57.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,739 (2022)
Projected traffic2,348 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost$986,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Rd. 57 over Styx River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Co. Rd. 57 over Styx River 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 October 2024.

How much traffic does Co. Rd. 57 over Styx River carry?

About 1,739 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Co. Rd. 57 over Styx River?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns Co. Rd. 57 over Styx River?

It is owned by the County Highway Agency.