US Bridges

US 90A WB over Brazos River

Fair

Fort Bend County, Texas · 0.60 MI NE of FM 762 · Structure no. 120800002708092

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
942 ft
3 main spans
Daily traffic
17,960
2013 count
Owner
State
State Highway Agency

About this bridge

US 90A WB over Brazos River is a steel continuous stringer/multi-beam or girder carrying US 90A WB over Brazos River in Fort Bend County, Texas. It was built in 1965, so it is 60 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 5 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 17,960 vehicles a day, roughly 3% of them trucks, projected to reach 25,140 by 2033. The structure is 942 ft (287.1 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 90A WB
CrossesBrazos River
Location0.60 MI NE of FM 762
RouteU.S. Route 90
CountyFort Bend County
StateTexas
Coordinates29.58374, -95.75804
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadHS 20
Structure length942 ft (287.1 m)
Longest span180 ft (54.9 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,960 (2013)
Projected traffic25,140 by 2033
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$64,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90A WB over Brazos River built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 90A WB over Brazos River 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 October 2024.

How much traffic does US 90A WB over Brazos River carry?

About 17,960 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is US 90A WB over Brazos River?

The structure is 942 ft (287.1 m) long with a longest span of 180 ft (54.9 m) and a deck 31 ft wide.

Who owns US 90A WB over Brazos River?

It is owned by the State Highway Agency.