US Bridges

Highland Avenue over Lnva Canal

FairPosted for load

Jefferson County, Texas · 0.04 MI SE of US 69 · Structure no. 201240LC4726001

Built
1950
75 years old
Condition
Fair
inspected December 2024
Type
Other
Concrete
Length
75 ft
3 main spans
Daily traffic
2,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Highland Avenue over Lnva Canal is a concrete other carrying Highland Avenue over Lnva Canal in Jefferson County, Texas. It was built in 1950, so it is 75 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,000 vehicles a day, projected to reach 2,500 by 2035. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHighland Avenue
CrossesLnva Canal
Location0.04 MI SE of US 69
RouteCity Street 41
CountyJefferson County
StateTexas
Coordinates30.02959, -94.08156
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2015)
Projected traffic2,500 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Highland Avenue over Lnva Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is Highland Avenue 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 December 2024.

How much traffic does Highland Avenue over Lnva Canal carry?

About 2,000 vehicles per day (2015 count).

How long is Highland Avenue over Lnva Canal?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Highland Avenue over Lnva Canal?

It is owned by the City or Municipal Highway Agency.