US Bridges

FM 647 over East Mustang Creek

Good

Wharton County, Texas · 2.05 MI SE of Lp 523 · Structure no. 132410130202178

Built
2022
3 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
190 ft
3 main spans
Daily traffic
123
2021 count
Owner
State
State Highway Agency

About this bridge

FM 647 over East Mustang Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 647 over East Mustang Creek in Wharton County, Texas. It was built in 2022, so it is 3 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 123 vehicles a day, roughly 13% of them trucks, projected to reach 172 by 2041. The structure is 190 ft (57.9 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 647
CrossesEast Mustang Creek
Location2.05 MI SE of Lp 523
RouteState Highway 647
StateTexas
Coordinates29.07104, -96.41739
Functional classRural Minor Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length190 ft (57.9 m)
Longest span70 ft (21.3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2021)
Projected traffic172 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 647 over East Mustang Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is FM 647 over East Mustang Creek 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 May 2023.

How much traffic does FM 647 over East Mustang Creek carry?

About 123 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is FM 647 over East Mustang Creek?

The structure is 190 ft (57.9 m) long with a longest span of 70 ft (21.3 m) and a deck 38 ft wide.

Who owns FM 647 over East Mustang Creek?

It is owned by the State Highway Agency.