US Bridges

US 377 over Long Branch

Fair

McCulloch County, Texas · 1.75 MI S of Brown C/L · Structure no. 231600012803032

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
1,656
2020 count
Owner
State
State Highway Agency

About this bridge

US 377 over Long Branch is a concrete culvert carrying US 377 over Long Branch in McCulloch County, Texas. It was built in 1963, so it is 62 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 1,656 vehicles a day, roughly 14% of them trucks, projected to reach 2,299 by 2038. The structure is 44 ft (13.4 m) long and 55 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesUS 377
CrossesLong Branch
Location1.75 MI S of Brown C/L
RouteU.S. Route 377
CountyMcCulloch County
StateTexas
Coordinates31.44235, -99.16823
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 spans3
Design loadOther
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width55 ft (16.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,656 (2020)
Projected traffic2,299 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Long Branch built?

It was built in 1963, making it 62 years old in 2025.

What condition is US 377 over Long 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 April 2024.

How much traffic does US 377 over Long Branch carry?

About 1,656 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is US 377 over Long Branch?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 55 ft wide.

Who owns US 377 over Long Branch?

It is owned by the State Highway Agency.