US Bridges

Monument Road over No Thoroughfare Canyon

Good

Mesa County, Colorado · .7 MI N of County Road C · Structure no. GRJ-24.9-C.7A

Built
1996
29 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
5,120
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monument Road over No Thoroughfare Canyon is a prestressed concrete slab carrying Monument Road over No Thoroughfare Canyon in Mesa County, Colorado. It was built in 1996, so it is 29 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,120 vehicles a day, roughly 5% of them trucks, projected to reach 5,990 by 2042. The structure is 50 ft (15.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMonument Road
CrossesNo Thoroughfare Canyon
Location.7 MI N of County Road C
RouteCity Street 0
Coordinates39.05905, -108.59019
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span43 ft (13 m)
Deck width46 ft (13.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,120 (2022)
Projected traffic5,990 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Monument Road over No Thoroughfare Canyon built?

It was built in 1996, making it 29 years old in 2025.

What condition is Monument Road over No Thoroughfare Canyon 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 March 2024.

How much traffic does Monument Road over No Thoroughfare Canyon carry?

About 5,120 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Monument Road over No Thoroughfare Canyon?

The structure is 50 ft (15.2 m) long with a longest span of 43 ft (13 m) and a deck 46 ft wide.

Who owns Monument Road over No Thoroughfare Canyon?

It is owned by the City or Municipal Highway Agency.