US Bridges

I 25 Nbnd over Muddy Creek

Fair

Pueblo County, Colorado · 5.2 Miles N of SH 165 · Structure no. L-18-A

Built
1954
71 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
103 ft
3 main spans
Daily traffic
7,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Nbnd over Muddy Creek is a steel continuous stringer/multi-beam or girder carrying I 25 Nbnd over Muddy Creek in Pueblo County, Colorado. It was built in 1954, so it is 71 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 7,500 vehicles a day, roughly 14% of them trucks, projected to reach 9,450 by 2040. The structure is 103 ft (31.5 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Nbnd
CrossesMuddy Creek
Location5.2 Miles N of SH 165
RouteInterstate 25A
Coordinates38.0223, -104.73705
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating52.9 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.5 m)
Longest span37 ft (11.3 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2020)
Projected traffic9,450 by 2040
Trucks14%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$189,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Nbnd over Muddy Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is I 25 Nbnd over Muddy 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 April 2024.

How much traffic does I 25 Nbnd over Muddy Creek carry?

About 7,500 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is I 25 Nbnd over Muddy Creek?

The structure is 103 ft (31.5 m) long with a longest span of 37 ft (11.3 m) and a deck 34 ft wide.

Who owns I 25 Nbnd over Muddy Creek?

It is owned by the State Highway Agency.