US Bridges

SH 288 NB over Flood Relief Channel

Good

Brazoria County, Texas · 0.95 MI N of FM 2004 · Structure no. 120200059804181

Built
1985
40 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
20,120
2023 count
Owner
State
State Highway Agency

About this bridge

SH 288 NB over Flood Relief Channel is a prestressed concrete box beam or girders - multiple carrying SH 288 NB over Flood Relief Channel in Brazoria County, Texas. It was built in 1985, so it is 40 years old, younger 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 20,120 vehicles a day, roughly 7% of them trucks, projected to reach 19,250 by 2033. The structure is 57 ft (17.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 288 NB
CrossesFlood Relief Channel
Location0.95 MI N of FM 2004
RouteState Highway 288
CountyBrazoria County
StateTexas
Coordinates29.07335, -95.45203
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span55 ft (16.8 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,120 (2023)
Projected traffic19,250 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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 NB over Flood Relief Channel built?

It was built in 1985, making it 40 years old in 2025.

What condition is SH 288 NB over Flood Relief 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 October 2024.

How much traffic does SH 288 NB over Flood Relief Channel carry?

About 20,120 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SH 288 NB over Flood Relief Channel?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 40 ft wide.

Who owns SH 288 NB over Flood Relief Channel?

It is owned by the State Highway Agency.