US Bridges

FM 1093 over Brazos River

Fair

Fort Bend County, Texas · 2.60 MI SW of FM 1489 · Structure no. 120800125802010

Built
1965
60 years old, rebuilt 2007
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,337 ft
4 main spans
Daily traffic
3,317
2024 count
Owner
State
State Highway Agency

About this bridge

FM 1093 over Brazos River is a steel continuous stringer/multi-beam or girder carrying FM 1093 over Brazos River in Fort Bend County, Texas. It was built in 1965 and reconstructed in 2007, 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 3,317 vehicles a day, roughly 41% of them trucks, projected to reach 3,440 by 2033. The structure is 1,337 ft (407.5 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 1093
CrossesBrazos River
Location2.60 MI SW of FM 1489
RouteState Highway 1093
CountyFort Bend County
StateTexas
Coordinates29.67169, -96.02139
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+11 approach)
Design loadH 20
Structure length1,337 ft (407.5 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 traffic3,317 (2024)
Projected traffic3,440 by 2033
Trucks41%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1093 over Brazos River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2007.

What condition is FM 1093 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 FM 1093 over Brazos River carry?

About 3,317 vehicles per day (2024 count), of which roughly 41% are trucks.

How long is FM 1093 over Brazos River?

The structure is 1,337 ft (407.5 m) long with a longest span of 180 ft (54.9 m) and a deck 31 ft wide.

Who owns FM 1093 over Brazos River?

It is owned by the State Highway Agency.