US Bridges

SH 10 Ml over Saunders Arroyo

Fair

Pueblo County, Colorado · 1/2 Btwn Wlsnbrg-La Junta · Structure no. M-20-D

Built
2010
15 years old
Condition
Fair
inspected February 2024
Type
Frame
Concrete
Length
74 ft
3 main spans
Daily traffic
390
2020 count
Owner
State
State Highway Agency

About this bridge

SH 10 Ml over Saunders Arroyo is a concrete frame carrying SH 10 Ml over Saunders Arroyo in Pueblo County, Colorado. It was built in 2010, so it is 15 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 390 vehicles a day, roughly 21% of them trucks, projected to reach 468 by 2040. The structure is 74 ft (22.5 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 10 Ml
CrossesSaunders Arroyo
Location1/2 Btwn Wlsnbrg-La Junta
RouteState Highway 10A
Coordinates37.86896, -104.12977
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length74 ft (22.5 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2020)
Projected traffic468 by 2040
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$529,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 10 Ml over Saunders Arroyo built?

It was built in 2010, making it 15 years old in 2025.

What condition is SH 10 Ml over Saunders Arroyo 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 February 2024.

How much traffic does SH 10 Ml over Saunders Arroyo carry?

About 390 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is SH 10 Ml over Saunders Arroyo?

The structure is 74 ft (22.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns SH 10 Ml over Saunders Arroyo?

It is owned by the State Highway Agency.