US Bridges

B. Brown RD over Big Creek Bridge

Good

Tangipahoa Parish, Louisiana · 0.8E/1054&1058 Bob Brown · Structure no. 625330500902661

Built
1996
29 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
56
2022 count
Owner
County
County Highway Agency

About this bridge

B. Brown RD over Big Creek Bridge is a concrete slab carrying B. Brown RD over Big Creek Bridge in Tangipahoa Parish, Louisiana. It was built in 1996, so it is 29 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 56 vehicles a day, projected to reach 61 by 2042. The structure is 133 ft (40.5 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesB. Brown RD
CrossesBig Creek Bridge
Location0.8E/1054&1058 Bob Brown
RouteCounty Highway 0
Coordinates30.84779, -90.44169
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2022)
Projected traffic61 by 2042
Trucks—
Lanes on structure2
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was B. Brown RD over Big Creek Bridge built?

It was built in 1996, making it 29 years old in 2025.

What condition is B. Brown RD over Big Creek Bridge 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 2023.

How much traffic does B. Brown RD over Big Creek Bridge carry?

About 56 vehicles per day (2022 count).

How long is B. Brown RD over Big Creek Bridge?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns B. Brown RD over Big Creek Bridge?

It is owned by the County Highway Agency.