US Bridges

East Patrol Road over Unknown Creek

PoorClosed to traffic

McKinley County, New Mexico · 1.4 KM SW of Bridge 00144 · Structure no. DAPATEWIN000143

Built
1943
82 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
5
2021 count
Owner
Federal
Army

About this bridge

East Patrol Road over Unknown Creek is a wood or timber stringer/multi-beam or girder carrying East Patrol Road over Unknown Creek in McKinley County, New Mexico. It was built in 1943, so it is 82 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 5 vehicles a day, projected to reach 10 by 2044. The structure is 60 ft (18.4 m) long and 22 ft wide.

Location

Open in Google Maps
CarriesEast Patrol Road
CrossesUnknown Creek
Location1.4 KM SW of Bridge 00144
CountyMcKinley County
StateNew Mexico
Coordinates35.47348, -108.58814
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; extensive scour has occurred
Structural evaluation*: *
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length60 ft (18.4 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2021)
Projected traffic10 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East Patrol Road over Unknown Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is East Patrol Road over Unknown Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does East Patrol Road over Unknown Creek carry?

About 5 vehicles per day (2021 count).

How long is East Patrol Road over Unknown Creek?

The structure is 60 ft (18.4 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns East Patrol Road over Unknown Creek?

It is owned by the Army.