US Bridges

SH 288 Wfr over Flag Lake Drainage Canal

Fair

Brazoria County, Texas · 0.55 MI S of SH 332 · Structure no. 120200011108054

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
4 main spans
Daily traffic
326
2024 count
Owner
State
State Highway Agency

About this bridge

SH 288 Wfr over Flag Lake Drainage Canal is a concrete stringer/multi-beam or girder carrying SH 288 Wfr over Flag Lake Drainage Canal in Brazoria County, Texas. It was built in 1970, so it is 55 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 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 326 vehicles a day, roughly 13% of them trucks, projected to reach 16,800 by 2028. The structure is 121 ft (36.9 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 288 Wfr
CrossesFlag Lake Drainage Canal
Location0.55 MI S of SH 332
RouteState Highway 288
CountyBrazoria County
StateTexas
Coordinates28.99754, -95.38462
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic326 (2024)
Projected traffic16,800 by 2028
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SH 288 Wfr over Flag Lake Drainage Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is SH 288 Wfr over Flag Lake Drainage Canal 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 December 2024.

How much traffic does SH 288 Wfr over Flag Lake Drainage Canal carry?

About 326 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SH 288 Wfr over Flag Lake Drainage Canal?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns SH 288 Wfr over Flag Lake Drainage Canal?

It is owned by the State Highway Agency.