US Bridges

US 160 Ml over Martinez Creek

Fair

Archuleta County, Colorado · 8 MI W of Pagosa Springs · Structure no. P-08-AG

Built
1972
53 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
54 ft
4 main spans
Daily traffic
8,700
2020 count
Owner
State
State Highway Agency

About this bridge

US 160 Ml over Martinez Creek is a steel culvert carrying US 160 Ml over Martinez Creek in Archuleta County, Colorado. It was built in 1972, so it is 53 years old, older than the Colorado average of 42.2 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 8,700 vehicles a day, roughly 6% of them trucks, projected to reach 11,484 by 2040. The structure is 54 ft (16.5 m) long and 83 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesUS 160 Ml
CrossesMartinez Creek
Location8 MI W of Pagosa Springs
RouteU.S. Route 160A
Coordinates37.23841, -107.13364
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadH 20
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width83 ft (25.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2020)
Projected traffic11,484 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 US 160 Ml over Martinez Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 160 Ml over Martinez Creek 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 October 2023.

How much traffic does US 160 Ml over Martinez Creek carry?

About 8,700 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 160 Ml over Martinez Creek?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 83 ft wide.

Who owns US 160 Ml over Martinez Creek?

It is owned by the State Highway Agency.