US Bridges

Co.Rt. 299 over Sour Branch

Good

Lauderdale County, Alabama · 1.4 MI W Int. CO.61 · Structure no. 018138

Built
2001
24 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
106
1989 count
Owner
County
County Highway Agency

About this bridge

Co.Rt. 299 over Sour Branch is a concrete culvert carrying Co.Rt. 299 over Sour Branch in Lauderdale County, Alabama. It was built in 2001, so it is 24 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 106 vehicles a day, roughly 10% of them trucks, projected to reach 212 by 2031. The structure is 31 ft (9.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCo.Rt. 299
CrossesSour Branch
Location1.4 MI W Int. CO.61
RouteCounty Highway 299
StateAlabama
Coordinates34.99116, -87.63501
Functional classRural 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating56.5 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span10 ft (3.2 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (1989)
Projected traffic212 by 2031
Trucks10%
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$288,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co.Rt. 299 over Sour Branch built?

It was built in 2001, making it 24 years old in 2025.

What condition is Co.Rt. 299 over Sour Branch 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 June 2024.

How much traffic does Co.Rt. 299 over Sour Branch carry?

About 106 vehicles per day (1989 count), of which roughly 10% are trucks.

How long is Co.Rt. 299 over Sour Branch?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3.2 m) and a deck 28 ft wide.

Who owns Co.Rt. 299 over Sour Branch?

It is owned by the County Highway Agency.