US Bridges

CR 321 over Blanket Creek

Good

Brown County, Texas · 0.20 MI E of US 67 · Structure no. 230250AA0321003

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

CR 321 over Blanket Creek is a concrete culvert carrying CR 321 over Blanket Creek in Brown County, Texas. It was built in 1989, so it is 36 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 50 vehicles a day, projected to reach 50 by 2033. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 321
CrossesBlanket Creek
Location0.20 MI E of US 67
RouteCounty Highway 321
CountyBrown County
StateTexas
Coordinates31.81348, -98.78785
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2013)
Projected traffic50 by 2033
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$57,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 321 over Blanket Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 321 over Blanket 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 March 2023.

How much traffic does CR 321 over Blanket Creek carry?

About 50 vehicles per day (2013 count).

How long is CR 321 over Blanket Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns CR 321 over Blanket Creek?

It is owned by the County Highway Agency.