US Bridges

CR 302 over Walnut Creek Relief

Good

Grimes County, Texas · 3.39 MI W of FM 1774 · Structure no. 170940AA0185001

Built
2016
9 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
300
2016 count
Owner
County
County Highway Agency

About this bridge

CR 302 over Walnut Creek Relief is a steel stringer/multi-beam or girder carrying CR 302 over Walnut Creek Relief in Grimes County, Texas. It was built in 2016, so it is 9 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 500 by 2036. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesCR 302
CrossesWalnut Creek Relief
Location3.39 MI W of FM 1774
RouteCounty Highway 302
StateTexas
Coordinates30.27242, -95.88654
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2016)
Projected traffic500 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed19.3 mi (31 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 CR 302 over Walnut Creek Relief built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR 302 over Walnut Creek Relief 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 December 2023.

How much traffic does CR 302 over Walnut Creek Relief carry?

About 300 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is CR 302 over Walnut Creek Relief?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns CR 302 over Walnut Creek Relief?

It is owned by the County Highway Agency.