US Bridges

SH 11 over Walnut Branch

Fair

Cass County, Texas · 3.45 MI W of SH 8 · Structure no. 190340021805024

Built
1934
91 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
37 ft
4 main spans
Daily traffic
1,804
2020 count
Owner
State
State Highway Agency

About this bridge

SH 11 over Walnut Branch is a concrete culvert carrying SH 11 over Walnut Branch in Cass County, Texas. It was built in 1934, so it is 91 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 1,804 vehicles a day, roughly 9% of them trucks, projected to reach 2,900 by 2033. The structure is 37 ft (11.3 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSH 11
CrossesWalnut Branch
Location3.45 MI W of SH 8
RouteState Highway 11
CountyCass County
StateTexas
Coordinates32.99897, -94.43192
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span6 ft (1.8 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,804 (2020)
Projected traffic2,900 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 11 over Walnut Branch built?

It was built in 1934, making it 91 years old in 2025.

What condition is SH 11 over Walnut Branch 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 August 2024.

How much traffic does SH 11 over Walnut Branch carry?

About 1,804 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 11 over Walnut Branch?

The structure is 37 ft (11.3 m) long with a longest span of 6 ft (1.8 m) and a deck 36 ft wide.

Who owns SH 11 over Walnut Branch?

It is owned by the State Highway Agency.