US Bridges

I 25 Ml Nbnd over Pope Arroyo

Fair

Huerfano County, Colorado · 16.4 MI No of Walsenburg · Structure no. M-17-W

Built
1948
77 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
3 main spans
Daily traffic
7,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Nbnd over Pope Arroyo is a steel stringer/multi-beam or girder carrying I 25 Ml Nbnd over Pope Arroyo in Huerfano County, Colorado. It was built in 1948, so it is 77 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 7,000 vehicles a day, roughly 15% of them trucks, projected to reach 9,030 by 2040. The structure is 86 ft (26.2 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 25 Ml Nbnd
CrossesPope Arroyo
Location16.4 MI No of Walsenburg
RouteInterstate 25A
CountyHuerfano County
StateColorado
Coordinates37.85617, -104.82861
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.3 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span39 ft (11.9 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2020)
Projected traffic9,030 by 2040
Trucks15%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost$166,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Ml Nbnd over Pope Arroyo built?

It was built in 1948, making it 77 years old in 2025.

What condition is I 25 Ml Nbnd over Pope Arroyo 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 December 2022.

How much traffic does I 25 Ml Nbnd over Pope Arroyo carry?

About 7,000 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is I 25 Ml Nbnd over Pope Arroyo?

The structure is 86 ft (26.2 m) long with a longest span of 39 ft (11.9 m) and a deck 36 ft wide.

Who owns I 25 Ml Nbnd over Pope Arroyo?

It is owned by the State Highway Agency.