US Bridges

US0051 over Cool Creek

Good

Tangipahoa Parish, Louisiana · 0.84 Mi. North of LA 38 · Structure no. 625300170608621

Built
1935
90 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Concrete
Length
150 ft
5 main spans
Daily traffic
2,403
2021 count
Owner
State
State Highway Agency

About this bridge

US0051 over Cool Creek is a concrete tee beam carrying US0051 over Cool Creek in Tangipahoa Parish, Louisiana. It was built in 1935, so it is 90 years old, older 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 2,403 vehicles a day, roughly 12% of them trucks, projected to reach 2,643 by 2041. The structure is 150 ft (45.7 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesUS0051
CrossesCool Creek
Location0.84 Mi. North of LA 38
RouteU.S. Route 51
CountyTangipahoa Parish
StateLouisiana
Coordinates30.94874, -90.5078
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,403 (2021)
Projected traffic2,643 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$702,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0051 over Cool Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is US0051 over Cool 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 April 2023.

How much traffic does US0051 over Cool Creek carry?

About 2,403 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US0051 over Cool Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns US0051 over Cool Creek?

It is owned by the State Highway Agency.