US Bridges

US 380 over Elm Crk Relief

Good

Throckmorton County, Texas · 2.1 MI W of FM 1711 · Structure no. 032240036101014

Built
1934
91 years old, rebuilt 2006
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
682
2020 count
Owner
State
State Highway Agency

About this bridge

US 380 over Elm Crk Relief is a concrete culvert carrying US 380 over Elm Crk Relief in Throckmorton County, Texas. It was built in 1934 and reconstructed in 2006, 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 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 682 vehicles a day, roughly 29% of them trucks, projected to reach 955 by 2040. The structure is 42 ft (12.8 m) long and 46 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesUS 380
CrossesElm Crk Relief
Location2.1 MI W of FM 1711
RouteU.S. Route 380
StateTexas
Coordinates33.18445, -99.07787
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 spans4
Design loadH 15
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic682 (2020)
Projected traffic955 by 2040
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed23 mi (37 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 US 380 over Elm Crk Relief built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2006.

What condition is US 380 over Elm Crk 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 October 2023.

How much traffic does US 380 over Elm Crk Relief carry?

About 682 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is US 380 over Elm Crk Relief?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns US 380 over Elm Crk Relief?

It is owned by the State Highway Agency.