US Bridges

SH 288 SB over Austin Bayou

Fair

Brazoria County, Texas · 0.40 MI N of FM 1462 · Structure no. 120200059802051

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
93 ft
3 main spans
Daily traffic
22,396
2023 count
Owner
State
State Highway Agency

About this bridge

SH 288 SB over Austin Bayou is a concrete stringer/multi-beam or girder carrying SH 288 SB over Austin Bayou in Brazoria 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 fair condition with a lowest component rating of 5 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 22,396 vehicles a day, roughly 11% of them trucks, projected to reach 22,810 by 2033. The structure is 93 ft (28.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 288 SB
CrossesAustin Bayou
Location0.40 MI N of FM 1462
RouteState Highway 288
CountyBrazoria County
StateTexas
Coordinates29.36069, -95.42712
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span30 ft (9.2 m)
Deck width44 ft (13.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,396 (2023)
Projected traffic22,810 by 2033
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SH 288 SB over Austin Bayou built?

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

What condition is SH 288 SB over Austin Bayou 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 August 2024.

How much traffic does SH 288 SB over Austin Bayou carry?

About 22,396 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SH 288 SB over Austin Bayou?

The structure is 93 ft (28.3 m) long with a longest span of 30 ft (9.2 m) and a deck 44 ft wide.

Who owns SH 288 SB over Austin Bayou?

It is owned by the State Highway Agency.