US Bridges

SH 45 Nbnd over UP RR

Fair

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

Built
1974
51 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 45 Nbnd over UP RR is a steel continuous stringer/multi-beam or girder carrying SH 45 Nbnd over UP RR in Pueblo County, Colorado. It was built in 1974, so it is 51 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 154 ft (47 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSH 45 Nbnd
CrossesUP RR
LocationW. Edge of Pueblo
RouteState Highway 45A
CountyPueblo County
StateColorado
Coordinates38.28149, -104.66301
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (47 m)
Longest span64 ft (19.5 m)
Deck width52 ft (16 m)
Roadway width47 ft (14.2 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
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 Nbnd over UP RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is SH 45 Nbnd 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 Nbnd over UP RR carry?

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

How long is SH 45 Nbnd over UP RR?

The structure is 154 ft (47 m) long with a longest span of 64 ft (19.5 m) and a deck 52 ft wide.

Who owns SH 45 Nbnd over UP RR?

It is owned by the State Highway Agency.