US Bridges

Zunker RD over Cottonwood Creek

Good

Fort Bend County, Texas · 0.80 MI NE of Blase RD · Structure no. 120800AA0930001

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
61 ft
2 main spans
Daily traffic
537
2021 count
Owner
County
County Highway Agency

About this bridge

Zunker RD over Cottonwood Creek is a concrete stringer/multi-beam or girder carrying Zunker RD over Cottonwood Creek in Fort Bend County, Texas. It was built in 2002, so it is 23 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 537 vehicles a day, roughly 3% of them trucks, projected to reach 351 by 2042. The structure is 61 ft (18.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesZunker RD
CrossesCottonwood Creek
Location0.80 MI NE of Blase RD
RouteCounty Highway 0
StateTexas
Coordinates29.49203, -95.86543
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic537 (2021)
Projected traffic351 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Zunker RD over Cottonwood Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Zunker RD over Cottonwood Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Zunker RD over Cottonwood Creek carry?

About 537 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Zunker RD over Cottonwood Creek?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Zunker RD over Cottonwood Creek?

It is owned by the County Highway Agency.