US Bridges

US 24 Ml over S Fk South Platte Rvr

Good

Park County, Colorado · 0.5 MI NW of Lake George · Structure no. I-15-AV

Built
2000
25 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
2,600
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over S Fk South Platte Rvr is a prestressed concrete stringer/multi-beam or girder carrying US 24 Ml over S Fk South Platte Rvr in Park County, Colorado. It was built in 2000, so it is 25 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,600 vehicles a day, roughly 8% of them trucks, projected to reach 2,938 by 2040. The structure is 120 ft (36.7 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 24 Ml
CrossesS Fk South Platte Rvr
Location0.5 MI NW of Lake George
RouteU.S. Route 24A
Coordinates38.98684, -105.36336
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length120 ft (36.7 m)
Longest span117 ft (35.7 m)
Deck width61 ft (18.7 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2020)
Projected traffic2,938 by 2040
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 US 24 Ml over S Fk South Platte Rvr built?

It was built in 2000, making it 25 years old in 2025.

What condition is US 24 Ml over S Fk South Platte Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does US 24 Ml over S Fk South Platte Rvr carry?

About 2,600 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is US 24 Ml over S Fk South Platte Rvr?

The structure is 120 ft (36.7 m) long with a longest span of 117 ft (35.7 m) and a deck 61 ft wide.

Who owns US 24 Ml over S Fk South Platte Rvr?

It is owned by the State Highway Agency.