US Bridges

County Road 5518 over Trib to Knights Lake

Good

Pike County, Alabama · Sec 12 T9N R21E · Structure no. 012944

Built
1983
42 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
150
2000 count
Owner
County
County Highway Agency

About this bridge

County Road 5518 over Trib to Knights Lake is a concrete culvert carrying County Road 5518 over Trib to Knights Lake in Pike County, Alabama. It was built in 1983, so it is 42 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 150 by 2034. The structure is 26 ft (8 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 5518
CrossesTrib to Knights Lake
LocationSec 12 T9N R21E
RouteCounty Highway 0
StateAlabama
Coordinates31.77833, -85.90333
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.9 US tons
Inventory rating39.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (8 m)
Longest span8 ft (2.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2000)
Projected traffic150 by 2034
Trucks6%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$389,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 5518 over Trib to Knights Lake built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Road 5518 over Trib to Knights Lake 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 February 2025.

How much traffic does County Road 5518 over Trib to Knights Lake carry?

About 150 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is County Road 5518 over Trib to Knights Lake?

The structure is 26 ft (8 m) long with a longest span of 8 ft (2.4 m) and a deck 42 ft wide.

Who owns County Road 5518 over Trib to Knights Lake?

It is owned by the County Highway Agency.