US Bridges

SH 135 Ml over East River

Fair

Gunnison County, Colorado · Almont 10.1 MI N of US 50 · Structure no. J-09-AE

Built
1975
50 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
102 ft
3 main spans
Daily traffic
5,100
2020 count
Owner
State
State Highway Agency

About this bridge

SH 135 Ml over East River is a steel continuous stringer/multi-beam or girder carrying SH 135 Ml over East River in Gunnison County, Colorado. It was built in 1975, so it is 50 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 5,100 vehicles a day, roughly 7% of them trucks, projected to reach 6,171 by 2040. The structure is 102 ft (31.2 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSH 135 Ml
CrossesEast River
LocationAlmont 10.1 MI N of US 50
RouteState Highway 135A
CountyGunnison County
StateColorado
Coordinates38.6639, -106.84758
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span39 ft (12 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2020)
Projected traffic6,171 by 2040
Trucks7%
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 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 135 Ml over East River built?

It was built in 1975, making it 50 years old in 2025.

What condition is SH 135 Ml over East River 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 January 2025.

How much traffic does SH 135 Ml over East River carry?

About 5,100 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SH 135 Ml over East River?

The structure is 102 ft (31.2 m) long with a longest span of 39 ft (12 m) and a deck 45 ft wide.

Who owns SH 135 Ml over East River?

It is owned by the State Highway Agency.