US Bridges

NFSR 307 over Sheards Branch

Good

Natchitoches Parish, Louisiana · National Forest Road · Structure no. 080603000003108

Built
2003
22 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
30
2003 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 307 over Sheards Branch is a concrete slab carrying NFSR 307 over Sheards Branch in Natchitoches Parish, Louisiana. It was built in 2003, so it is 22 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 30 vehicles a day, projected to reach 45 by 2045. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesNFSR 307
CrossesSheards Branch
LocationNational Forest Road
RouteFederal Lands Road 307
Coordinates31.46281, -93.13191
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 inspectionJanuary 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans3
Design loadH 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic45 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NFSR 307 over Sheards Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is NFSR 307 over Sheards 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 January 2023.

How much traffic does NFSR 307 over Sheards Branch carry?

About 30 vehicles per day (2003 count).

How long is NFSR 307 over Sheards Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns NFSR 307 over Sheards Branch?

It is owned by the U.S. Forest Service.