US Bridges

FM 528 over Chigger Creek

Fair

Galveston County, Texas · 0.5 MI SW of FM 518 · Structure no. 120850141401024

Built
1993
32 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
3 main spans
Daily traffic
24,537
2023 count
Owner
State
State Highway Agency

About this bridge

FM 528 over Chigger Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 528 over Chigger Creek in Galveston County, Texas. It was built in 1993, so it is 32 years old, younger 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 24,537 vehicles a day, roughly 4% of them trucks, projected to reach 35,160 by 2033. The structure is 135 ft (41.1 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 528
CrossesChigger Creek
Location0.5 MI SW of FM 518
RouteState Highway 528
StateTexas
Coordinates29.504, -95.19424
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span45 ft (13.7 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,537 (2023)
Projected traffic35,160 by 2033
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 FM 528 over Chigger Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is FM 528 over Chigger Creek 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 February 2025.

How much traffic does FM 528 over Chigger Creek carry?

About 24,537 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FM 528 over Chigger Creek?

The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 87 ft wide.

Who owns FM 528 over Chigger Creek?

It is owned by the State Highway Agency.