US Bridges

County Road 67 over South Platte River

Good

Logan County, Colorado · 1.7 MI N of I-76 · Structure no. LOG67-50.2-177A

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
322
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 67 over South Platte River is a prestressed concrete tee beam carrying County Road 67 over South Platte River in Logan County, Colorado. It was built in 2011, so it is 14 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 322 vehicles a day, roughly 57% of them trucks, projected to reach 396 by 2042. The structure is 94 ft (28.7 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCounty Road 67
CrossesSouth Platte River
Location1.7 MI N of I-76
RouteCounty Highway 0
Coordinates40.79507, -102.94735
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.1 US tons
Inventory rating50.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length94 ft (28.7 m)
Longest span89 ft (27.1 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic322 (2023)
Projected traffic396 by 2042
Trucks57%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 67 over South Platte River built?

It was built in 2011, making it 14 years old in 2025.

What condition is County Road 67 over South Platte River 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 67 over South Platte River carry?

About 322 vehicles per day (2023 count), of which roughly 57% are trucks.

How long is County Road 67 over South Platte River?

The structure is 94 ft (28.7 m) long with a longest span of 89 ft (27.1 m) and a deck 35 ft wide.

Who owns County Road 67 over South Platte River?

It is owned by the County Highway Agency.