US Bridges

US 90A WB over Prison Farm RD (relief)

Good

Fort Bend County, Texas · 0.20 MI SW of SH 6 · Structure no. 120800002708028

Built
1925
100 years old, rebuilt 2017
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
61 ft
3 main spans
Daily traffic
28,843
2023 count
Owner
State
State Highway Agency

About this bridge

US 90A WB over Prison Farm RD (relief) is a concrete slab carrying US 90A WB over Prison Farm RD (relief) in Fort Bend County, Texas. It was built in 1925 and reconstructed in 2017, so it is 100 years old, older 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 28,843 vehicles a day, roughly 3% of them trucks, projected to reach 14,940 by 2033. The structure is 61 ft (18.6 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90A WB
CrossesPrison Farm RD (relief)
Location0.20 MI SW of SH 6
RouteU.S. Route 90
StateTexas
Coordinates29.61214, -95.65255
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length61 ft (18.6 m)
Longest span20 ft (6.1 m)
Deck width51 ft (15.5 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,843 (2023)
Projected traffic14,940 by 2033
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for 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$5,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 90A WB over Prison Farm RD (relief) built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2017.

What condition is US 90A WB over Prison Farm RD (relief) 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 December 2024.

How much traffic does US 90A WB over Prison Farm RD (relief) carry?

About 28,843 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 90A WB over Prison Farm RD (relief)?

The structure is 61 ft (18.6 m) long with a longest span of 20 ft (6.1 m) and a deck 51 ft wide.

Who owns US 90A WB over Prison Farm RD (relief)?

It is owned by the State Highway Agency.