US Bridges

SH 145 Ml over Stoner Creek

Fair

Montezuma County, Colorado · 15 Miles NE of Dolores · Structure no. N-03-J

Built
2000
25 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
1,800
2020 count
Owner
State
State Highway Agency

About this bridge

SH 145 Ml over Stoner Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 145 Ml over Stoner Creek in Montezuma County, Colorado. It was built in 2000, so it is 25 years old, younger 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 1,800 vehicles a day, roughly 9% of them trucks, projected to reach 2,232 by 2040. The structure is 79 ft (24 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 145 Ml
CrossesStoner Creek
Location15 Miles NE of Dolores
RouteState Highway 145A
Coordinates37.58923, -108.32173
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.7 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length79 ft (24 m)
Longest span75 ft (22.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2020)
Projected traffic2,232 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 SH 145 Ml over Stoner Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is SH 145 Ml over Stoner 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 December 2023.

How much traffic does SH 145 Ml over Stoner Creek carry?

About 1,800 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 145 Ml over Stoner Creek?

The structure is 79 ft (24 m) long with a longest span of 75 ft (22.8 m) and a deck 43 ft wide.

Who owns SH 145 Ml over Stoner Creek?

It is owned by the State Highway Agency.