US Bridges

Irr# SH 151 Ml over Stollsteimer Creek

Fair

Archuleta County, Colorado · 9.9 Miles NE of Arboles · Structure no. P-07-R

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
740
2020 count
Owner
State
State Highway Agency

About this bridge

Irr# SH 151 Ml over Stollsteimer Creek is a steel culvert carrying Irr# SH 151 Ml over Stollsteimer Creek in Archuleta County, Colorado. It was built in 1968, so it is 57 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 740 vehicles a day, roughly 8% of them trucks, projected to reach 1,051 by 2040. The structure is 30 ft (9.1 m) long and 104 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesIrr# SH 151 Ml
CrossesStollsteimer Creek
Location9.9 Miles NE of Arboles
RouteState Highway 151A
Coordinates37.16094, -107.33917
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating56.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span13 ft (3.9 m)
Deck width104 ft (31.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2020)
Projected traffic1,051 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

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 Irr# SH 151 Ml over Stollsteimer Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Irr# SH 151 Ml over Stollsteimer 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 May 2023.

How much traffic does Irr# SH 151 Ml over Stollsteimer Creek carry?

About 740 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Irr# SH 151 Ml over Stollsteimer Creek?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (3.9 m) and a deck 104 ft wide.

Who owns Irr# SH 151 Ml over Stollsteimer Creek?

It is owned by the State Highway Agency.