US Bridges

I 25 Ml Nbnd over Tingley Canyon

Fair

Las Animas County, Colorado · 7.5 MI No of JCT SH 239 · Structure no. O-18-CE

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Nbnd over Tingley Canyon is a prestressed concrete tee beam carrying I 25 Ml Nbnd over Tingley Canyon 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 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 6,000 vehicles a day, roughly 20% of them trucks, projected to reach 7,140 by 2040. The structure is 90 ft (27.4 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Nbnd
CrossesTingley Canyon
Location7.5 MI No of JCT SH 239
RouteInterstate 25A
Coordinates37.28725, -104.51972
Functional classRural Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic7,140 by 2040
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 25 Ml Nbnd over Tingley Canyon built?

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

What condition is I 25 Ml Nbnd over Tingley Canyon 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 I 25 Ml Nbnd over Tingley Canyon carry?

About 6,000 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is I 25 Ml Nbnd over Tingley Canyon?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 41 ft wide.

Who owns I 25 Ml Nbnd over Tingley Canyon?

It is owned by the State Highway Agency.