US Bridges

SH 288 Nbml over Mustang Bayou

Fair

Brazoria County, Texas · 2.11 MI S of FM 518 · Structure no. 120200059802016

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
125 ft
3 main spans
Daily traffic
37,053
2023 count
Owner
State
State Highway Agency

About this bridge

SH 288 Nbml over Mustang Bayou is a concrete stringer/multi-beam or girder carrying SH 288 Nbml over Mustang Bayou in Brazoria County, Texas. It was built in 1972, so it is 53 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 37,053 vehicles a day, roughly 9% of them trucks, projected to reach 41,290 by 2033. The structure is 125 ft (38 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSH 288 Nbml
CrossesMustang Bayou
Location2.11 MI S of FM 518
RouteState Highway 288
CountyBrazoria County
StateTexas
Coordinates29.52549, -95.38658
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum 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 length125 ft (38 m)
Longest span41 ft (12.4 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,053 (2023)
Projected traffic41,290 by 2033
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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 Nbml over Mustang Bayou built?

It was built in 1972, making it 53 years old in 2025.

What condition is SH 288 Nbml over Mustang 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 October 2024.

How much traffic does SH 288 Nbml over Mustang Bayou carry?

About 37,053 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SH 288 Nbml over Mustang Bayou?

The structure is 125 ft (38 m) long with a longest span of 41 ft (12.4 m) and a deck 44 ft wide.

Who owns SH 288 Nbml over Mustang Bayou?

It is owned by the State Highway Agency.