US Bridges

Hart RD over Bayou Bourbeaux

Good

Natchitoches Parish, Louisiana · 0.01 Miles North of LA 48 · Structure no. 083500000600051

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
309
2022 count
Owner
County
County Highway Agency

About this bridge

Hart RD over Bayou Bourbeaux is a concrete slab carrying Hart RD over Bayou Bourbeaux in Natchitoches Parish, Louisiana. It was built in 2010, so it is 15 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 309 vehicles a day, roughly 1% of them trucks, projected to reach 339 by 2042. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesHart RD
CrossesBayou Bourbeaux
Location0.01 Miles North of LA 48
RouteCounty Highway 0
Coordinates31.88123, -93.0516
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2022)
Projected traffic339 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Hart RD over Bayou Bourbeaux built?

It was built in 2010, making it 15 years old in 2025.

What condition is Hart RD over Bayou Bourbeaux 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 2024.

How much traffic does Hart RD over Bayou Bourbeaux carry?

About 309 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Hart RD over Bayou Bourbeaux?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Hart RD over Bayou Bourbeaux?

It is owned by the County Highway Agency.