US Bridges

Commonwealth EB over Alcorn Bayou Tributary

Good

Fort Bend County, Texas · 1.60 MI E of University · Structure no. 120800H00603002

Built
1998
27 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,000
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Commonwealth EB over Alcorn Bayou Tributary is a concrete culvert carrying Commonwealth EB over Alcorn Bayou Tributary in Fort Bend County, Texas. It was built in 1998, so it is 27 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 1,000 vehicles a day, projected to reach 1,500 by 2029. The structure is 25 ft (7.6 m) long.

CarriesCommonwealth EB
CrossesAlcorn Bayou Tributary
Location1.60 MI E of University
RouteCity Street 0
StateTexas
Coordinates29.5605, -95.61166
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2009)
Projected traffic1,500 by 2029
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Commonwealth EB over Alcorn Bayou Tributary built?

It was built in 1998, making it 27 years old in 2025.

What condition is Commonwealth EB over Alcorn Bayou Tributary 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 September 2023.

How much traffic does Commonwealth EB over Alcorn Bayou Tributary carry?

About 1,000 vehicles per day (2009 count).

How long is Commonwealth EB over Alcorn Bayou Tributary?

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

Who owns Commonwealth EB over Alcorn Bayou Tributary?

It is owned by the Town or Township Highway Agency.