US Bridges

FM 655 over Outfall Channel

Good

Brazoria County, Texas · 4.10 MI W of FM 521 · Structure no. 120200104301009

Built
1976
49 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
1,926
2020 count
Owner
State
State Highway Agency

About this bridge

FM 655 over Outfall Channel is a prestressed concrete box beam or girders - multiple carrying FM 655 over Outfall Channel in Brazoria County, Texas. It was built in 1976, so it is 49 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 1,926 vehicles a day, roughly 16% of them trucks, projected to reach 3,070 by 2033. The structure is 90 ft (27.4 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 655
CrossesOutfall Channel
Location4.10 MI W of FM 521
RouteState Highway 655
StateTexas
Coordinates29.30117, -95.52074
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,926 (2020)
Projected traffic3,070 by 2033
Trucks16%
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 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 655 over Outfall Channel built?

It was built in 1976, making it 49 years old in 2025.

What condition is FM 655 over Outfall Channel 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 655 over Outfall Channel carry?

About 1,926 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is FM 655 over Outfall Channel?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns FM 655 over Outfall Channel?

It is owned by the State Highway Agency.