US Bridges

Turner Road over Lnva Canal

Good

Jefferson County, Texas · 2.10 MI N of US 90 · Structure no. 201240AA0116002

Built
1975
50 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
76 ft
6 main spans
Daily traffic
235
2022 count
Owner
County
County Highway Agency

About this bridge

Turner Road over Lnva Canal is a concrete culvert carrying Turner Road over Lnva Canal in Jefferson County, Texas. It was built in 1975, so it is 50 years old, older 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 235 vehicles a day, projected to reach 940 by 2035. The structure is 76 ft (23.2 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesTurner Road
CrossesLnva Canal
Location2.10 MI N of US 90
RouteCounty Highway 0
CountyJefferson County
StateTexas
Coordinates30.07933, -94.31298
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable 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 spans6
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2022)
Projected traffic940 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Turner Road over Lnva Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Turner 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 Turner Road over Lnva Canal carry?

About 235 vehicles per day (2022 count).

How long is Turner Road over Lnva Canal?

The structure is 76 ft (23.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Turner Road over Lnva Canal?

It is owned by the County Highway Agency.