US Bridges

Knowles Rd. over Cochgalechee Creek

Good

Russell County, Alabama · Knowles RD..2MI.WEST 280 · Structure no. 018640

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
834
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Knowles Rd. over Cochgalechee Creek is a concrete culvert carrying Knowles Rd. over Cochgalechee Creek in Russell County, Alabama. It was built in 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 834 vehicles a day, projected to reach 1,250 by 2044. The structure is 51 ft (15.5 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKnowles Rd.
CrossesCochgalechee Creek
LocationKnowles RD..2MI.WEST 280
RouteCity Street 0
StateAlabama
Coordinates32.39833, -85.02833
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span13 ft (3.9 m)
Deck width51 ft (15.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic834 (2024)
Projected traffic1,250 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$707,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Knowles Rd. over Cochgalechee Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Knowles Rd. over Cochgalechee Creek 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 January 2024.

How much traffic does Knowles Rd. over Cochgalechee Creek carry?

About 834 vehicles per day (2024 count).

How long is Knowles Rd. over Cochgalechee Creek?

The structure is 51 ft (15.5 m) long with a longest span of 13 ft (3.9 m) and a deck 51 ft wide.

Who owns Knowles Rd. over Cochgalechee Creek?

It is owned by the City or Municipal Highway Agency.