US Bridges

East Patrol Road over Unknown Creek

PoorClosed to traffic

McKinley County, New Mexico · 1.5 KM NE of Bridge 00145 · Structure no. DAPATEWIN000146

Built
1943
82 years old
Condition
Poor
inspected March 2021
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
55 ft
4 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 3 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 2043. The structure is 55 ft (16.8 m) long and 12 ft wide.

Location

Open in Google Maps
CarriesEast Patrol Road
CrossesUnknown Creek
Location1.5 KM NE of Bridge 00145
CountyMcKinley County
StateNew Mexico
Coordinates35.48095, -108.565
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour evaluation has not been made
Structural evaluation*: *
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 spans4
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span13 ft (4.1 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2021)
Projected traffic10 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 (2021 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 2021.

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 55 ft (16.8 m) long with a longest span of 13 ft (4.1 m) and a deck 12 ft wide.

Who owns East Patrol Road over Unknown Creek?

It is owned by the Army.