US Bridges

Carrier RD over Gum Branch

Good

Allen Parish, Louisiana · 3.1 MI East of US 165 · Structure no. 070200000500862

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
180
2019 count
Owner
County
County Highway Agency

About this bridge

Carrier RD over Gum Branch is a concrete slab carrying Carrier RD over Gum Branch in Allen Parish, Louisiana. It was built in 2011, so it is 14 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 180 vehicles a day, projected to reach 198 by 2039. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCarrier RD
CrossesGum Branch
Location3.1 MI East of US 165
RouteCounty Highway 0
Coordinates30.70617, -92.68837
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2019)
Projected traffic198 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Carrier RD over Gum Branch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Carrier RD over Gum 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 September 2023.

How much traffic does Carrier RD over Gum Branch carry?

About 180 vehicles per day (2019 count).

How long is Carrier RD over Gum Branch?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Carrier RD over Gum Branch?

It is owned by the County Highway Agency.