US Bridges

Oak DR over Chigger Crk

Fair

Galveston County, Texas · 0.25 MI NE of FM 518 · Structure no. 120850PP1205013

Built
1977
48 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
84 ft
5 main spans
Daily traffic
5,760
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Oak DR over Chigger Crk is a concrete slab carrying Oak DR over Chigger Crk in Galveston County, Texas. It was built in 1977, so it is 48 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 5,760 vehicles a day, projected to reach 6,336 by 2031. The structure is 84 ft (25.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOak DR
CrossesChigger Crk
Location0.25 MI NE of FM 518
RouteCity Street 0
StateTexas
Coordinates29.50432, -95.17975
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length84 ft (25.6 m)
Longest span17 ft (5.2 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,760 (2011)
Projected traffic6,336 by 2031
Trucks0%
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

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 Oak DR over Chigger Crk built?

It was built in 1977, making it 48 years old in 2025.

What condition is Oak DR 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 Oak DR over Chigger Crk carry?

About 5,760 vehicles per day (2011 count).

How long is Oak DR over Chigger Crk?

The structure is 84 ft (25.6 m) long with a longest span of 17 ft (5.2 m) and a deck 30 ft wide.

Who owns Oak DR over Chigger Crk?

It is owned by the Town or Township Highway Agency.