US Bridges

County Road 67 over South Platte River

Fair

Logan County, Colorado · 1.6 MI N of I-76 · Structure no. LOG67-50.0-173A

Built
1996
29 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
273 ft
3 main spans
Daily traffic
322
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 67 over South Platte River is a prestressed concrete continuous tee beam carrying County Road 67 over South Platte River in Logan County, Colorado. It was built in 1996, so it is 29 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 322 vehicles a day, roughly 63% of them trucks, projected to reach 396 by 2042. The structure is 273 ft (83.1 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCounty Road 67
CrossesSouth Platte River
Location1.6 MI N of I-76
RouteCounty Highway 0
Coordinates40.79222, -102.94611
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckOther
Main spans3
Design loadHS 20
Structure length273 ft (83.1 m)
Longest span88 ft (26.8 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic322 (2023)
Projected traffic396 by 2042
Trucks63%
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 1996, making it 29 years old in 2025.

What condition is County Road 67 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 January 2024.

How much traffic does County Road 67 over South Platte River carry?

About 322 vehicles per day (2023 count), of which roughly 63% are trucks.

How long is County Road 67 over South Platte River?

The structure is 273 ft (83.1 m) long with a longest span of 88 ft (26.8 m) and a deck 36 ft wide.

Who owns County Road 67 over South Platte River?

It is owned by the County Highway Agency.