US Bridges

County Road 24 over South Platte River

Fair

Morgan County, Colorado · 0.6 MI N of CO RD T · Structure no. MG24-0.6-T-A

Built
1992
33 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
585 ft
6 main spans
Daily traffic
1,108
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 24 over South Platte River is a prestressed concrete continuous tee beam carrying County Road 24 over South Platte River in Morgan County, Colorado. It was built in 1992, so it is 33 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 1,108 vehicles a day, roughly 33% of them trucks, projected to reach 1,407 by 2043. The structure is 585 ft (178.3 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Road 24
CrossesSouth Platte River
Location0.6 MI N of CO RD T
RouteCounty Highway 0
CountyMorgan County
StateColorado
Coordinates40.28305, -103.69675
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating27.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckOther
Main spans6
Design loadHS 20
Structure length585 ft (178.3 m)
Longest span94 ft (28.7 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,108 (2023)
Projected traffic1,407 by 2043
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 24 over South Platte River built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road 24 over South Platte River 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 November 2024.

How much traffic does County Road 24 over South Platte River carry?

About 1,108 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is County Road 24 over South Platte River?

The structure is 585 ft (178.3 m) long with a longest span of 94 ft (28.7 m) and a deck 36 ft wide.

Who owns County Road 24 over South Platte River?

It is owned by the County Highway Agency.