US Bridges

Greenbriar Ave. over Chigger Crk

Fair

Galveston County, Texas · 0.2 MI NW of FM 528 · Structure no. 120850PP0710009

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
3,580
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Greenbriar Ave. over Chigger Crk is a prestressed concrete slab carrying Greenbriar Ave. over Chigger Crk in Galveston County, Texas. It was built in 1984, so it is 41 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 3,580 vehicles a day, projected to reach 3,938 by 2031. The structure is 90 ft (27.4 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGreenbriar Ave.
CrossesChigger Crk
Location0.2 MI NW of FM 528
RouteCity Street 0
CountyGalveston County
StateTexas
Coordinates29.50445, -95.19811
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,580 (2011)
Projected traffic3,938 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Greenbriar Ave. over Chigger Crk built?

It was built in 1984, making it 41 years old in 2025.

What condition is Greenbriar Ave. over Chigger Crk 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 2023.

How much traffic does Greenbriar Ave. over Chigger Crk carry?

About 3,580 vehicles per day (2011 count).

How long is Greenbriar Ave. over Chigger Crk?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns Greenbriar Ave. over Chigger Crk?

It is owned by the Town or Township Highway Agency.