US Bridges

Walnut Hill LN over Cottonwood Branch

Fair

Dallas County, Texas · 0.2 MI E of Belt Line RD · Structure no. 180570D09465007

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
62 ft
3 main spans
Daily traffic
9,440
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut Hill LN over Cottonwood Branch is a concrete culvert carrying Walnut Hill LN over Cottonwood Branch in Dallas County, Texas. It was built in 1975, so it is 50 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 5 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 9,440 vehicles a day, roughly 3% of them trucks, projected to reach 23,590 by 2037. The structure is 62 ft (18.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWalnut Hill LN
CrossesCottonwood Branch
Location0.2 MI E of Belt Line RD
RouteCity Street 0
StateTexas
Coordinates32.86553, -96.9889
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: 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
DeckNot applicable
Main spans3
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,440 (2023)
Projected traffic23,590 by 2037
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Walnut Hill LN over Cottonwood Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Walnut Hill LN over Cottonwood 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 May 2023.

How much traffic does Walnut Hill LN over Cottonwood Branch carry?

About 9,440 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Walnut Hill LN over Cottonwood Branch?

The structure is 62 ft (18.9 m) long with a longest span of 10 ft (3 m).

Who owns Walnut Hill LN over Cottonwood Branch?

It is owned by the City or Municipal Highway Agency.