US Bridges

Crawford Road over Little Gum Bayou

Good

St. Tammany Parish, Louisiana · 0.87 MI West of LA 41 · Structure no. 625200000620349

Built
1998
27 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
24 ft
4 main spans
Daily traffic
280
2016 count
Owner
County
County Highway Agency

About this bridge

Crawford Road over Little Gum Bayou is a concrete culvert carrying Crawford Road over Little Gum Bayou in St. Tammany Parish, Louisiana. It was built in 1998, so it is 27 years old, younger than the Louisiana average of 43 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 280 vehicles a day, projected to reach 308 by 2036. The structure is 24 ft (7.3 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCrawford Road
CrossesLittle Gum Bayou
Location0.87 MI West of LA 41
RouteCounty Highway 0
Coordinates30.37259, -89.77342
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width33 ft (10.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2016)
Projected traffic308 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crawford Road over Little Gum Bayou built?

It was built in 1998, making it 27 years old in 2025.

What condition is Crawford Road over Little Gum Bayou 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 2023.

How much traffic does Crawford Road over Little Gum Bayou carry?

About 280 vehicles per day (2016 count).

How long is Crawford Road over Little Gum Bayou?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m) and a deck 33 ft wide.

Who owns Crawford Road over Little Gum Bayou?

It is owned by the County Highway Agency.