US Bridges

Basin Road over Green Gulch

Fair

Brewster County, Texas · 4.6 Miles South of Basin · Structure no. 7130016P0000000

Built
1937
88 years old
Condition
Fair
inspected February 2025
Type
Culvert
Masonry
Length
22 ft
1 main span
Daily traffic
300
2005 count
Owner
Federal
National Park Service

About this bridge

Basin Road over Green Gulch is a masonry culvert carrying Basin Road over Green Gulch in Brewster County, Texas. It was built in 1937, so it is 88 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 300 vehicles a day, roughly 3% of them trucks, projected to reach 500 by 2025. The structure is 22 ft (6.6 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBasin Road
CrossesGreen Gulch
Location4.6 Miles South of Basin
RouteFederal Lands Road 0
CountyBrewster County
StateTexas
Coordinates29.27681, -103.28355
Functional classRural Minor Collector

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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 20
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2005)
Projected traffic500 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Basin Road over Green Gulch built?

It was built in 1937, making it 88 years old in 2025.

What condition is Basin Road over Green Gulch 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 February 2025.

How much traffic does Basin Road over Green Gulch carry?

About 300 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Basin Road over Green Gulch?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m) and a deck 32 ft wide.

Who owns Basin Road over Green Gulch?

It is owned by the National Park Service.