US Bridges

FM 2031 over Intracoastal Waterway

Fair

Matagorda County, Texas · 0.30 MI SE of SH 60 · Structure no. 131580060401004

Built
2009
16 years old
Condition
Fair
inspected November 2024
Type
Segmental Box Girder
Prestressed Concrete
Length
3,387 ft
3 main spans
Daily traffic
886
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2031 over Intracoastal Waterway is a prestressed concrete segmental box girder carrying FM 2031 over Intracoastal Waterway in Matagorda County, Texas. It was built in 2009, so it is 16 years old, younger 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 6 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 886 vehicles a day, roughly 12% of them trucks, projected to reach 1,329 by 2042. The structure is 3,387 ft (1,032.4 m) long and 46 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 2031
CrossesIntracoastal Waterway
Location0.30 MI SE of SH 60
RouteState Highway 2031
StateTexas
Coordinates28.68707, -95.96546
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior 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

Structure typeSegmental Box Girder
MaterialPrestressed Concrete
DeckOther
Main spans3 (+19 approach)
Design loadHL 93
Structure length3,387 ft (1,032.4 m)
Longest span320 ft (97.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic886 (2023)
Projected traffic1,329 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was FM 2031 over Intracoastal Waterway built?

It was built in 2009, making it 16 years old in 2025.

What condition is FM 2031 over Intracoastal Waterway 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 November 2024.

How much traffic does FM 2031 over Intracoastal Waterway carry?

About 886 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FM 2031 over Intracoastal Waterway?

The structure is 3,387 ft (1,032.4 m) long with a longest span of 320 ft (97.5 m) and a deck 46 ft wide.

Who owns FM 2031 over Intracoastal Waterway?

It is owned by the State Highway Agency.