US Bridges

SH 133 Ml over Rootcap Creek

Fair

Delta County, Colorado · 2 MI SW of Paonia Exit · Structure no. I-06-R

Built
1949
76 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
3,400
2020 count
Owner
State
State Highway Agency

About this bridge

SH 133 Ml over Rootcap Creek is a concrete culvert carrying SH 133 Ml over Rootcap Creek in Delta County, Colorado. It was built in 1949, so it is 76 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 3,400 vehicles a day, roughly 3% of them trucks, projected to reach 3,638 by 2040. The structure is 30 ft (9 m) long and 32 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSH 133 Ml
CrossesRootcap Creek
Location2 MI SW of Paonia Exit
RouteState Highway 133A
Coordinates38.86212, -107.62181
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.1 US tons
Inventory rating17.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2020)
Projected traffic3,638 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 133 Ml over Rootcap Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is SH 133 Ml over Rootcap 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 Rootcap Creek carry?

About 3,400 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 133 Ml over Rootcap Creek?

The structure is 30 ft (9 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns SH 133 Ml over Rootcap Creek?

It is owned by the State Highway Agency.