US Bridges

Eighth Ave over Unnamed Lagoon

FairPosted for load

Galveston County, Texas · 0.3 MI E of Bay ST · Structure no. 120850C00208052

Built
1960
65 years old, rebuilt 2023
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
3,200
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Eighth Ave over Unnamed Lagoon is a concrete culvert carrying Eighth Ave over Unnamed Lagoon in Galveston County, Texas. It was built in 1960 and reconstructed in 2023, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 3,200 vehicles a day, projected to reach 3,200 by 2031. The structure is 31 ft (9.4 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesEighth Ave
CrossesUnnamed Lagoon
Location0.3 MI E of Bay ST
RouteCity Street 0
CountyGalveston County
StateTexas
Coordinates29.39216, -94.8894
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
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 spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span8 ft (2.4 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2011)
Projected traffic3,200 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Eighth Ave over Unnamed Lagoon built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2023.

What condition is Eighth Ave over Unnamed Lagoon 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 January 2024.

How much traffic does Eighth Ave over Unnamed Lagoon carry?

About 3,200 vehicles per day (2011 count).

How long is Eighth Ave over Unnamed Lagoon?

The structure is 31 ft (9.4 m) long with a longest span of 8 ft (2.4 m) and a deck 45 ft wide.

Who owns Eighth Ave over Unnamed Lagoon?

It is owned by the Town or Township Highway Agency.