US Bridges

SH 101 Ml over Rule Creek

Fair

Bent County, Colorado · 17.6 MI So of JCT US 50 · Structure no. M-24-D

Built
1939
86 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
5 main spans
Daily traffic
40
2020 count
Owner
State
State Highway Agency

About this bridge

SH 101 Ml over Rule Creek is a steel stringer/multi-beam or girder carrying SH 101 Ml over Rule Creek in Bent County, Colorado. It was built in 1939, so it is 86 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 5 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 40 vehicles a day, roughly 42% of them trucks, projected to reach 60 by 2040. The structure is 203 ft (61.8 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 101 Ml
CrossesRule Creek
Location17.6 MI So of JCT US 50
RouteState Highway 101A
Coordinates37.81978, -103.18205
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.1 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length203 ft (61.8 m)
Longest span41 ft (12.5 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic60 by 2040
Trucks42%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 101 Ml over Rule Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is SH 101 Ml over Rule 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 August 2024.

How much traffic does SH 101 Ml over Rule Creek carry?

About 40 vehicles per day (2020 count), of which roughly 42% are trucks.

How long is SH 101 Ml over Rule Creek?

The structure is 203 ft (61.8 m) long with a longest span of 41 ft (12.5 m) and a deck 29 ft wide.

Who owns SH 101 Ml over Rule Creek?

It is owned by the State Highway Agency.