US Bridges

US 377 over Alyne Branch

Fair

Denton County, Texas · 2.40 MI S of FM 428 · Structure no. 180610008106062

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
14,055
2022 count
Owner
State
State Highway Agency

About this bridge

US 377 over Alyne Branch is a concrete culvert carrying US 377 over Alyne Branch in Denton County, Texas. It was built in 1962, so it is 63 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 14,055 vehicles a day, roughly 14% of them trucks, projected to reach 14,900 by 2033. The structure is 37 ft (11.3 m) long.

Location

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CarriesUS 377
CrossesAlyne Branch
Location2.40 MI S of FM 428
RouteU.S. Route 377
CountyDenton County
StateTexas
Coordinates33.26495, -96.98716
Functional classRural 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 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 traffic14,055 (2022)
Projected traffic14,900 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Alyne Branch built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 377 over Alyne 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 September 2023.

How much traffic does US 377 over Alyne Branch carry?

About 14,055 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US 377 over Alyne Branch?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m).

Who owns US 377 over Alyne Branch?

It is owned by the State Highway Agency.