US Bridges

Gentry Road over Lnva Canal

Good

Jefferson County, Texas · 3.9 MI W of FM 364 · Structure no. 201240AA0110003

Built
1981
44 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
115 ft
9 main spans
Daily traffic
868
2022 count
Owner
County
County Highway Agency

About this bridge

Gentry Road over Lnva Canal is a concrete culvert carrying Gentry Road over Lnva Canal in Jefferson County, Texas. It was built in 1981, so it is 44 years old, younger than the Texas average of 44.4 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 868 vehicles a day, projected to reach 660 by 2035. The structure is 115 ft (35.1 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesGentry Road
CrossesLnva Canal
Location3.9 MI W of FM 364
RouteCounty Highway 0
CountyJefferson County
StateTexas
Coordinates30.11086, -94.23638
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadUnknown
Structure length115 ft (35.1 m)
Longest span12 ft (3.7 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic868 (2022)
Projected traffic660 by 2035
Trucks0%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gentry Road over Lnva Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Gentry Road over Lnva Canal 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 July 2023.

How much traffic does Gentry Road over Lnva Canal carry?

About 868 vehicles per day (2022 count).

How long is Gentry Road over Lnva Canal?

The structure is 115 ft (35.1 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns Gentry Road over Lnva Canal?

It is owned by the County Highway Agency.