US Bridges

SH 45 Ml Sbnd over UP RR

Fair

Pueblo County, Colorado · W. Edge of Pueblo · Structure no. K-18-EV

Built
1982
43 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 45 Ml Sbnd over UP RR is a steel continuous stringer/multi-beam or girder carrying SH 45 Ml Sbnd over UP RR in Pueblo County, Colorado. It was built in 1982, so it is 43 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 13,600 by 2040. The structure is 153 ft (46.6 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 45 Ml Sbnd
CrossesUP RR
LocationW. Edge of Pueblo
RouteState Highway 45A
Coordinates38.28162, -104.66327
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length153 ft (46.6 m)
Longest span64 ft (19.5 m)
Deck width59 ft (18.1 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2020)
Projected traffic13,600 by 2040
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 SH 45 Ml Sbnd over UP RR built?

It was built in 1982, making it 43 years old in 2025.

What condition is SH 45 Ml Sbnd over UP RR 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 May 2022.

How much traffic does SH 45 Ml Sbnd over UP RR carry?

About 10,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SH 45 Ml Sbnd over UP RR?

The structure is 153 ft (46.6 m) long with a longest span of 64 ft (19.5 m) and a deck 59 ft wide.

Who owns SH 45 Ml Sbnd over UP RR?

It is owned by the State Highway Agency.