US Bridges

SR 104 over Silver Creek

Fair

Baldwin County, Alabama · 1.7 MI W SR 59 · Structure no. 015648

Built
1993
32 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
9,262
2023 count
Owner
State
State Highway Agency

About this bridge

SR 104 over Silver Creek is a concrete continuous culvert carrying SR 104 over Silver Creek in Baldwin County, Alabama. It was built in 1993, so it is 32 years old, younger 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 9,262 vehicles a day, roughly 4% of them trucks, projected to reach 13,893 by 2043. The structure is 37 ft (11.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 104
CrossesSilver Creek
Location1.7 MI W SR 59
RouteState Highway 104
StateAlabama
Coordinates30.54553, -87.73676
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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,262 (2023)
Projected traffic13,893 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$503,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 104 over Silver Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 104 over Silver 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 SR 104 over Silver Creek carry?

About 9,262 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 104 over Silver Creek?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns SR 104 over Silver Creek?

It is owned by the State Highway Agency.