US Bridges

Martin RD over Snell Branch

Good

Washington Parish, Louisiana · 2.7 Miles North of LA 38 · Structure no. 625900000109149

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
310
2020 count
Owner
County
County Highway Agency

About this bridge

Martin RD over Snell Branch is a concrete slab carrying Martin RD over Snell Branch in Washington 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 310 vehicles a day, roughly 5% of them trucks, projected to reach 341 by 2040. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMartin RD
CrossesSnell Branch
Location2.7 Miles North of LA 38
RouteCounty Highway 0
CountyWashington Parish
StateLouisiana
Coordinates30.99686, -90.32041
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating36 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 width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2020)
Projected traffic341 by 2040
Trucks5%
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

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 Martin RD over Snell Branch built?

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

What condition is Martin RD over Snell 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 December 2023.

How much traffic does Martin RD over Snell Branch carry?

About 310 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Martin RD over Snell Branch?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Martin RD over Snell Branch?

It is owned by the County Highway Agency.