US Bridges

US 287 over Drainage Ditch

Fair

Dallam County, Texas · 1.7 MI SE of FM 807 · Structure no. 040560006601016

Built
1945
80 years old, rebuilt 1967
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
34 ft
5 main spans
Daily traffic
2,791
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 over Drainage Ditch is a concrete culvert carrying US 287 over Drainage Ditch in Dallam County, Texas. It was built in 1945 and reconstructed in 1967, so it is 80 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 2,791 vehicles a day, roughly 64% of them trucks, projected to reach 5,490 by 2040. The structure is 34 ft (10.4 m) long and 55 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesUS 287
CrossesDrainage Ditch
Location1.7 MI SE of FM 807
RouteU.S. Route 287
CountyDallam County
StateTexas
Coordinates36.48068, -102.22184
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to 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 length34 ft (10.4 m)
Longest span6 ft (1.8 m)
Deck width55 ft (16.8 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,791 (2020)
Projected traffic5,490 by 2040
Trucks64%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 287 over Drainage Ditch built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1967.

What condition is US 287 over Drainage Ditch 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 August 2024.

How much traffic does US 287 over Drainage Ditch carry?

About 2,791 vehicles per day (2020 count), of which roughly 64% are trucks.

How long is US 287 over Drainage Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 6 ft (1.8 m) and a deck 55 ft wide.

Who owns US 287 over Drainage Ditch?

It is owned by the State Highway Agency.