US Bridges

US 380 over Relief

Good

Young County, Texas · 3 MI E Throckmorton CO LN · Structure no. 032520036102002

Built
1925
100 years old, rebuilt 1973
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
645
2020 count
Owner
State
State Highway Agency

About this bridge

US 380 over Relief is a concrete culvert carrying US 380 over Relief in Young County, Texas. It was built in 1925 and reconstructed in 1973, so it is 100 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 645 vehicles a day, roughly 29% of them trucks, projected to reach 903 by 2040. The structure is 21 ft (6.4 m) long and 57 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 380
CrossesRelief
Location3 MI E Throckmorton CO LN
RouteU.S. Route 380
StateTexas
Coordinates33.18306, -98.89899
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to 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 spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width57 ft (17.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic645 (2020)
Projected traffic903 by 2040
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed9.9 mi (16 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 Relief built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1973.

What condition is US 380 over 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 September 2023.

How much traffic does US 380 over Relief carry?

About 645 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is US 380 over Relief?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 57 ft wide.

Who owns US 380 over Relief?

It is owned by the State Highway Agency.