US Bridges

FM 459 over Briar Creek

Good

Matagorda County, Texas · 1.10 MI W of FM 1095 · Structure no. 131580060301002

Built
1975
50 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
183
2023 count
Owner
State
State Highway Agency

About this bridge

FM 459 over Briar Creek is a prestressed concrete box beam or girders - multiple carrying FM 459 over Briar Creek in Matagorda County, Texas. It was built in 1975, so it is 50 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 183 vehicles a day, roughly 8% of them trucks, projected to reach 256 by 2042. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 459
CrossesBriar Creek
Location1.10 MI W of FM 1095
RouteState Highway 459
StateTexas
Coordinates28.87732, -96.15852
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckOther
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2023)
Projected traffic256 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 459 over Briar Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is FM 459 over Briar 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 November 2024.

How much traffic does FM 459 over Briar Creek carry?

About 183 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FM 459 over Briar Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns FM 459 over Briar Creek?

It is owned by the State Highway Agency.