US Bridges

North Entrance Roa over Drainage

Fair

Brewster County, Texas · 11.1 Miles N of Panther J · Structure no. 7130018P0000000

Built
1985
40 years old
Condition
Fair
inspected February 2025
Type
Culvert
Steel
Length
41 ft
5 main spans
Daily traffic
340
2023 count
Owner
Federal
National Park Service

About this bridge

North Entrance Roa over Drainage is a steel culvert carrying North Entrance Roa over Drainage in Brewster County, Texas. It was built in 1985, so it is 40 years old, younger 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 340 vehicles a day, projected to reach 374 by 2043. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNorth Entrance Roa
CrossesDrainage
Location11.1 Miles N of Panther J
RouteFederal Lands Road 0
CountyBrewster County
StateTexas
Coordinates29.45248, -103.13674
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating97 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2023)
Projected traffic374 by 2043
Trucks—
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$75,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North Entrance Roa over Drainage built?

It was built in 1985, making it 40 years old in 2025.

What condition is North Entrance Roa over Drainage 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 North Entrance Roa over Drainage carry?

About 340 vehicles per day (2023 count).

How long is North Entrance Roa over Drainage?

The structure is 41 ft (12.5 m) long with a longest span of 7 ft (2.1 m).

Who owns North Entrance Roa over Drainage?

It is owned by the National Park Service.