US Bridges

SH 47 Ml NB over City ST UP RR

Fair

Pueblo County, Colorado · Just E of I25 in Pueblo · Structure no. K-18-GC

Built
1999
26 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
210 ft
2 main spans
Daily traffic
16,500
2020 count
Owner
State
State Highway Agency

About this bridge

SH 47 Ml NB over City ST UP RR is a prestressed concrete continuous box beam or girders - single or spread carrying SH 47 Ml NB over City ST UP RR in Pueblo County, Colorado. It was built in 1999, so it is 26 years old, younger 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 16,500 vehicles a day, roughly 4% of them trucks, projected to reach 24,420 by 2040. The structure is 210 ft (63.9 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSH 47 Ml NB
CrossesCity ST UP RR
LocationJust E of I25 in Pueblo
RouteState Highway 47A
CountyPueblo County
StateColorado
Coordinates38.30716, -104.61091
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating25.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length210 ft (63.9 m)
Longest span102 ft (31.1 m)
Deck width62 ft (18.8 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2020)
Projected traffic24,420 by 2040
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 47 Ml NB over City ST UP RR built?

It was built in 1999, making it 26 years old in 2025.

What condition is SH 47 Ml NB over City ST 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 August 2024.

How much traffic does SH 47 Ml NB over City ST UP RR carry?

About 16,500 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SH 47 Ml NB over City ST UP RR?

The structure is 210 ft (63.9 m) long with a longest span of 102 ft (31.1 m) and a deck 62 ft wide.

Who owns SH 47 Ml NB over City ST UP RR?

It is owned by the State Highway Agency.