US Bridges

SH 133 Ml over East Muddy Creek

Fair

Gunnison County, Colorado · 12 MI SW of Mcclure Pass · Structure no. H-07-J

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
930
2020 count
Owner
State
State Highway Agency

About this bridge

SH 133 Ml over East Muddy Creek is a concrete continuous box beam or girders - multiple carrying SH 133 Ml over East Muddy Creek in Gunnison County, Colorado. It was built in 1980, so it is 45 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 930 vehicles a day, roughly 7% of them trucks, projected to reach 995 by 2040. The structure is 145 ft (44.2 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 133 Ml
CrossesEast Muddy Creek
Location12 MI SW of Mcclure Pass
RouteState Highway 133A
Coordinates39.02393, -107.36202
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span93 ft (28.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2020)
Projected traffic995 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 133 Ml over East Muddy Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SH 133 Ml over East Muddy 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 January 2025.

How much traffic does SH 133 Ml over East Muddy Creek carry?

About 930 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SH 133 Ml over East Muddy Creek?

The structure is 145 ft (44.2 m) long with a longest span of 93 ft (28.3 m) and a deck 36 ft wide.

Who owns SH 133 Ml over East Muddy Creek?

It is owned by the State Highway Agency.