US Bridges

County Road 93 over S. Platte River Overflow

Good

Logan County, Colorado · 1.2 MI N of I-76 · Structure no. LOG93-60.4-241A

Built
2002
23 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
58
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 93 over S. Platte River Overflow is a prestressed concrete tee beam carrying County Road 93 over S. Platte River Overflow in Logan County, Colorado. It was built in 2002, so it is 23 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 58 vehicles a day, roughly 55% of them trucks, projected to reach 72 by 2042. The structure is 64 ft (19.5 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCounty Road 93
CrossesS. Platte River Overflow
Location1.2 MI N of I-76
RouteCounty Highway 0
Coordinates40.87133, -102.69029
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating34.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span59 ft (18 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2022)
Projected traffic72 by 2042
Trucks55%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 93 over S. Platte River Overflow built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 93 over S. Platte River Overflow 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 2023.

How much traffic does County Road 93 over S. Platte River Overflow carry?

About 58 vehicles per day (2022 count), of which roughly 55% are trucks.

How long is County Road 93 over S. Platte River Overflow?

The structure is 64 ft (19.5 m) long with a longest span of 59 ft (18 m) and a deck 35 ft wide.

Who owns County Road 93 over S. Platte River Overflow?

It is owned by the County Highway Agency.