US Bridges

US 69 over Lnva Canal

Fair

Jefferson County, Texas · 4.1 MI NW of IH 10 · Structure no. 201240006507071

Built
1957
68 years old, rebuilt 2020
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
432 ft
3 main spans
Daily traffic
54,237
2022 count
Owner
State
State Highway Agency

About this bridge

US 69 over Lnva Canal is a steel continuous stringer/multi-beam or girder carrying US 69 over Lnva Canal in Jefferson County, Texas. It was built in 1957 and reconstructed in 2020, so it is 68 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 54,237 vehicles a day, roughly 6% of them trucks, projected to reach 75,932 by 2042. The structure is 432 ft (131.7 m) long and 128 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 69
CrossesLnva Canal
Location4.1 MI NW of IH 10
RouteU.S. Route 69
StateTexas
Coordinates30.14061, -94.17497
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadH 20
Structure length432 ft (131.7 m)
Longest span90 ft (27.4 m)
Deck width128 ft (39 m)
Roadway width123 ft (37.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,237 (2022)
Projected traffic75,932 by 2042
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 69 over Lnva Canal built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2020.

What condition is US 69 over Lnva Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does US 69 over Lnva Canal carry?

About 54,237 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US 69 over Lnva Canal?

The structure is 432 ft (131.7 m) long with a longest span of 90 ft (27.4 m) and a deck 128 ft wide.

Who owns US 69 over Lnva Canal?

It is owned by the State Highway Agency.