US Bridges

County Road M.80 over East Salt Wash

Good

Mesa County, Colorado · 1.7 MI W of Mack · Structure no. MESA-O.8-8.3A

Built
1991
34 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
1 main span
Daily traffic
613
2022 count
Owner
County
County Highway Agency

About this bridge

County Road M.80 over East Salt Wash is a steel stringer/multi-beam or girder carrying County Road M.80 over East Salt Wash in Mesa County, Colorado. It was built in 1991, so it is 34 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 613 vehicles a day, roughly 2% of them trucks, projected to reach 717 by 2042. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road M.80
CrossesEast Salt Wash
Location1.7 MI W of Mack
RouteCounty Highway 0
Coordinates39.23605, -108.89558
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating39.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length103 ft (31.4 m)
Longest span89 ft (27.2 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic613 (2022)
Projected traffic717 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road M.80 over East Salt Wash built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road M.80 over East Salt Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does County Road M.80 over East Salt Wash carry?

About 613 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road M.80 over East Salt Wash?

The structure is 103 ft (31.4 m) long with a longest span of 89 ft (27.2 m) and a deck 33 ft wide.

Who owns County Road M.80 over East Salt Wash?

It is owned by the County Highway Agency.