US Bridges

County Road 42 over I 25 Ml

Fair

Las Animas County, Colorado · 8 MI No of JCT SH 239 · Structure no. O-18-CF

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
245 ft
2 main spans
Daily traffic
230
2022 count
Owner
State
State Highway Agency

About this bridge

County Road 42 over I 25 Ml is a steel continuous stringer/multi-beam or girder carrying County Road 42 over I 25 Ml in Las Animas County, Colorado. It was built in 1969, so it is 56 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 230 vehicles a day, roughly 2% of them trucks, projected to reach 282 by 2042. The structure is 245 ft (74.6 m) long and 32 ft wide.

CarriesCounty Road 42
CrossesI 25 Ml
Location8 MI No of JCT SH 239
RouteCounty Highway 0
Coordinates37.29298, -104.52695
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length245 ft (74.6 m)
Longest span123 ft (37.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2022)
Projected traffic282 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 County Road 42 over I 25 Ml built?

It was built in 1969, making it 56 years old in 2025.

What condition is County Road 42 over I 25 Ml 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 October 2024.

How much traffic does County Road 42 over I 25 Ml carry?

About 230 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 42 over I 25 Ml?

The structure is 245 ft (74.6 m) long with a longest span of 123 ft (37.5 m) and a deck 32 ft wide.

Who owns County Road 42 over I 25 Ml?

It is owned by the State Highway Agency.