US Bridges

US 90A over Dulles/Kirkwood

Fair

Fort Bend County, Texas · US 90A at Dulles/Kirkwood · Structure no. 120800002708021

Built
2008
17 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
621 ft
6 main spans
Daily traffic
22,000
2010 count
Owner
State
State Highway Agency

About this bridge

US 90A over Dulles/Kirkwood is a prestressed concrete stringer/multi-beam or girder carrying US 90A over Dulles/Kirkwood in Fort Bend County, Texas. It was built in 2008, so it is 17 years old, younger 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.

It carries about 22,000 vehicles a day, roughly 10% of them trucks, projected to reach 25,000 by 2030. The structure is 621 ft (189.3 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 90A
CrossesDulles/Kirkwood
LocationUS 90A at Dulles/Kirkwood
RouteState Highway 90
CountyFort Bend County
StateTexas
Coordinates29.62742, -95.58269
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length621 ft (189.3 m)
Longest span121 ft (36.9 m)
Deck width94 ft (28.7 m)
Roadway width78 ft (23.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2010)
Projected traffic25,000 by 2030
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 90A over Dulles/Kirkwood built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 90A over Dulles/Kirkwood 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 US 90A over Dulles/Kirkwood carry?

About 22,000 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is US 90A over Dulles/Kirkwood?

The structure is 621 ft (189.3 m) long with a longest span of 121 ft (36.9 m) and a deck 94 ft wide.

Who owns US 90A over Dulles/Kirkwood?

It is owned by the State Highway Agency.