US Bridges

Webster ST over Robinson Bayou

Good

Galveston County, Texas · 0.01 MI W of FM 270 · Structure no. 120850E00256001

Built
1985
40 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
3 main spans
Daily traffic
250
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Webster ST over Robinson Bayou is a prestressed concrete box beam or girders - multiple carrying Webster ST over Robinson Bayou in Galveston County, Texas. It was built in 1985, so it is 40 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 250 vehicles a day, projected to reach 500 by 2030. The structure is 87 ft (26.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWebster ST
CrossesRobinson Bayou
Location0.01 MI W of FM 270
RouteCity Street 0
CountyGalveston County
StateTexas
Coordinates29.51148, -95.07148
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2010)
Projected traffic500 by 2030
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

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 Webster ST over Robinson Bayou built?

It was built in 1985, making it 40 years old in 2025.

What condition is Webster ST over Robinson 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 Webster ST over Robinson Bayou carry?

About 250 vehicles per day (2010 count).

How long is Webster ST over Robinson Bayou?

The structure is 87 ft (26.5 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Webster ST over Robinson Bayou?

It is owned by the Town or Township Highway Agency.