US Bridges

White RD over Dunn Creek

Good

East Feliciana Parish, Louisiana · 1.6 Mi. N. Felps · Structure no. 611930592905661

Built
1992
33 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
8
2020 count
Owner
County
County Highway Agency

About this bridge

White RD over Dunn Creek is a concrete culvert carrying White RD over Dunn Creek in East Feliciana Parish, Louisiana. It was built in 1992, so it is 33 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 8 vehicles a day, projected to reach 8 by 2040. The structure is 36 ft (11 m) long and 38 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWhite RD
CrossesDunn Creek
Location1.6 Mi. N. Felps
RouteCounty Highway 0
Coordinates30.98561, -90.94328
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length36 ft (11 m)
Longest span9 ft (2.7 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2020)
Projected traffic8 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-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 White RD over Dunn Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is White RD over Dunn Creek 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 2024.

How much traffic does White RD over Dunn Creek carry?

About 8 vehicles per day (2020 count).

How long is White RD over Dunn Creek?

The structure is 36 ft (11 m) long with a longest span of 9 ft (2.7 m) and a deck 38 ft wide.

Who owns White RD over Dunn Creek?

It is owned by the County Highway Agency.