US Bridges

New Bridge RD over Dartigo Creek

Good

Grant Parish, Louisiana · 1.52 Mi. South of LA 122 · Structure no. 082231385924161

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
4 main spans
Daily traffic
6
2023 count
Owner
County
County Highway Agency

About this bridge

New Bridge RD over Dartigo Creek is a concrete culvert carrying New Bridge RD over Dartigo Creek in Grant Parish, Louisiana. It was built in 1998, so it is 27 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 6 vehicles a day, roughly 1% of them trucks, projected to reach 6 by 2043. The structure is 32 ft (9.8 m) long and 50 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNew Bridge RD
CrossesDartigo Creek
Location1.52 Mi. South of LA 122
RouteCounty Highway 0
Coordinates31.64285, -92.6921
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span7 ft (2.1 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6 (2023)
Projected traffic6 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 New Bridge RD over Dartigo Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is New Bridge RD over Dartigo 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 March 2023.

How much traffic does New Bridge RD over Dartigo Creek carry?

About 6 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is New Bridge RD over Dartigo Creek?

The structure is 32 ft (9.8 m) long with a longest span of 7 ft (2.1 m) and a deck 50 ft wide.

Who owns New Bridge RD over Dartigo Creek?

It is owned by the County Highway Agency.