US Bridges

SH 288 SB Off Ramp over American Canal

Good

Brazoria County, Texas · 1.8 MI S of FM 518 · Structure no. 120200059802458

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
129 ft
3 main spans
Daily traffic
534
2010 count
Owner
State
State Highway Agency

About this bridge

SH 288 SB Off Ramp over American Canal is a prestressed concrete box beam or girders - multiple carrying SH 288 SB Off Ramp over American Canal in Brazoria County, Texas. It was built in 2010, so it is 15 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 534 vehicles a day, projected to reach 1,600 by 2030. The structure is 129 ft (39.3 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSH 288 SB Off Ramp
CrossesAmerican Canal
Location1.8 MI S of FM 518
RouteState Highway 288
CountyBrazoria County
StateTexas
Coordinates29.53012, -95.38746
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum 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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length129 ft (39.3 m)
Longest span42 ft (12.9 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic534 (2010)
Projected traffic1,600 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 288 SB Off Ramp over American Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is SH 288 SB Off Ramp over American Canal 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 SB Off Ramp over American Canal carry?

About 534 vehicles per day (2010 count).

How long is SH 288 SB Off Ramp over American Canal?

The structure is 129 ft (39.3 m) long with a longest span of 42 ft (12.9 m) and a deck 27 ft wide.

Who owns SH 288 SB Off Ramp over American Canal?

It is owned by the State Highway Agency.