US Bridges

SH 47 Ml over 11th ST

Fair

Pueblo County, Colorado · .1 Mi. N. of US50 · Structure no. K-18-FA

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
123 ft
1 main span
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 47 Ml over 11th ST is a prestressed concrete stringer/multi-beam or girder carrying SH 47 Ml over 11th ST in Pueblo County, Colorado. It was built in 1979, so it is 46 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 7% of them trucks, projected to reach 11,600 by 2040. The structure is 123 ft (37.4 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 47 Ml
Crosses11th ST
Location.1 Mi. N. of US50
RouteState Highway 47A
Coordinates38.27788, -104.55622
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating28.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length123 ft (37.4 m)
Longest span120 ft (36.6 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2020)
Projected traffic11,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 over 11th ST built?

It was built in 1979, making it 46 years old in 2025.

What condition is SH 47 Ml over 11th ST 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 over 11th ST carry?

About 10,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SH 47 Ml over 11th ST?

The structure is 123 ft (37.4 m) long with a longest span of 120 ft (36.6 m) and a deck 45 ft wide.

Who owns SH 47 Ml over 11th ST?

It is owned by the State Highway Agency.