US Bridges

Denham RD over Beaver Bayou

Good

East Baton Rouge Parish, Louisiana · 1.6 M W of LA 37 · Structure no. 611700000000025

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
4,616
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Denham RD over Beaver Bayou is a concrete slab carrying Denham RD over Beaver Bayou in East Baton Rouge Parish, Louisiana. It was built in 2019, so it is 6 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 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 4,616 vehicles a day, projected to reach 5,077 by 2039. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDenham RD
CrossesBeaver Bayou
Location1.6 M W of LA 37
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.58756, -91.02494
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,616 (2019)
Projected traffic5,077 by 2039
Trucks—
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Denham RD over Beaver Bayou built?

It was built in 2019, making it 6 years old in 2025.

What condition is Denham RD over Beaver 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 September 2023.

How much traffic does Denham RD over Beaver Bayou carry?

About 4,616 vehicles per day (2019 count).

How long is Denham RD over Beaver Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Denham RD over Beaver Bayou?

It is owned by the City or Municipal Highway Agency.