US Bridges

CO 18 over Silver Run Creek

Fair

Russell County, Alabama · 0.1 MI W JCT US 431 · Structure no. 000355

Built
1926
99 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
2,370
2003 count
Owner
County
County Highway Agency

About this bridge

CO 18 over Silver Run Creek is a concrete culvert carrying CO 18 over Silver Run Creek in Russell County, Alabama. It was built in 1926, so it is 99 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 2,370 vehicles a day, roughly 13% of them trucks, projected to reach 3,700 by 2034. The structure is 33 ft (10.1 m) long and 29 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCO 18
CrossesSilver Run Creek
Location0.1 MI W JCT US 431
RouteCounty Highway 18
StateAlabama
Coordinates32.29837, -85.17097
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating33.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,370 (2003)
Projected traffic3,700 by 2034
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$299,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 18 over Silver Run Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is CO 18 over Silver Run 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 May 2024.

How much traffic does CO 18 over Silver Run Creek carry?

About 2,370 vehicles per day (2003 count), of which roughly 13% are trucks.

How long is CO 18 over Silver Run Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns CO 18 over Silver Run Creek?

It is owned by the County Highway Agency.