US Bridges

FM 99 over Opossum Creek

Good

McMullen County, Texas · 7.80 MI NE of SH 72 · Structure no. 151620034813030

Built
1980
45 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
542
2023 count
Owner
State
State Highway Agency

About this bridge

FM 99 over Opossum Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 99 over Opossum Creek in McMullen County, Texas. It was built in 1980, so it is 45 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 542 vehicles a day, roughly 61% of them trucks, projected to reach 708 by 2042. The structure is 280 ft (85.3 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesFM 99
CrossesOpossum Creek
Location7.80 MI NE of SH 72
RouteState Highway 99
StateTexas
Coordinates28.54194, -98.36084
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2023)
Projected traffic708 by 2042
Trucks61%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 99 over Opossum Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is FM 99 over Opossum 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 July 2024.

How much traffic does FM 99 over Opossum Creek carry?

About 542 vehicles per day (2023 count), of which roughly 61% are trucks.

How long is FM 99 over Opossum Creek?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns FM 99 over Opossum Creek?

It is owned by the State Highway Agency.