US Bridges

US 377 over Drain

Good

McCulloch County, Texas · 3.05 MI SW of FM 1028 · Structure no. 231600012804025

Built
1938
87 years old, rebuilt 1970
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
43 ft
5 main spans
Daily traffic
1,483
2020 count
Owner
State
State Highway Agency

About this bridge

US 377 over Drain is a concrete culvert carrying US 377 over Drain in McCulloch County, Texas. It was built in 1938 and reconstructed in 1970, so it is 87 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 1,483 vehicles a day, roughly 15% of them trucks, projected to reach 2,107 by 2038. The structure is 43 ft (13.1 m) long and 60 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 377
CrossesDrain
Location3.05 MI SW of FM 1028
RouteU.S. Route 377
StateTexas
Coordinates31.28119, -99.25282
Functional classRural Principal Arterial - Other

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum 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 spans5
Design loadH 15
Structure length43 ft (13.1 m)
Longest span7 ft (2.1 m)
Deck width60 ft (18.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,483 (2020)
Projected traffic2,107 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 377 over Drain built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1970.

What condition is US 377 over Drain 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 April 2024.

How much traffic does US 377 over Drain carry?

About 1,483 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is US 377 over Drain?

The structure is 43 ft (13.1 m) long with a longest span of 7 ft (2.1 m) and a deck 60 ft wide.

Who owns US 377 over Drain?

It is owned by the State Highway Agency.