US Bridges

7th Street over Highland Bayou

Good

Galveston County, Texas · 0.1 MI E of Ave Q-1/2 · Structure no. 120850D01210001

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
710
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

7th Street over Highland Bayou is a concrete culvert carrying 7th Street over Highland Bayou in Galveston County, Texas. It was built in 2006, so it is 19 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 710 vehicles a day, projected to reach 710 by 2031. The structure is 25 ft (7.6 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries7th Street
CrossesHighland Bayou
Location0.1 MI E of Ave Q-1/2
RouteCity Street 0
StateTexas
Coordinates29.38251, -95.0999
Functional classUrban 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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width75 ft (22.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2011)
Projected traffic710 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 7th Street over Highland Bayou built?

It was built in 2006, making it 19 years old in 2025.

What condition is 7th Street over Highland Bayou 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 November 2023.

How much traffic does 7th Street over Highland Bayou carry?

About 710 vehicles per day (2011 count).

How long is 7th Street over Highland Bayou?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 75 ft wide.

Who owns 7th Street over Highland Bayou?

It is owned by the Town or Township Highway Agency.