US Bridges

CO CR 96 over South Platte River

Fair

Jefferson County, Colorado · 4.5 Mi. SE of Foxton · Structure no. F-10-8A

Built
1990
35 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
2 main spans
Daily traffic
166
2020 count
Owner
County
County Highway Agency

About this bridge

CO CR 96 over South Platte River is a steel stringer/multi-beam or girder carrying CO CR 96 over South Platte River in Jefferson County, Colorado. It was built in 1990, so it is 35 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 5 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 166 vehicles a day, roughly 4% of them trucks, projected to reach 190 by 2040. The structure is 105 ft (32.1 m) long and 25 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesCO CR 96
CrossesSouth Platte River
Location4.5 Mi. SE of Foxton
RouteCounty Highway 0
Coordinates39.40804, -105.17066
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.7 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length105 ft (32.1 m)
Longest span49 ft (14.8 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2020)
Projected traffic190 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 CO CR 96 over South Platte River built?

It was built in 1990, making it 35 years old in 2025.

What condition is CO CR 96 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 February 2025.

How much traffic does CO CR 96 over South Platte River carry?

About 166 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is CO CR 96 over South Platte River?

The structure is 105 ft (32.1 m) long with a longest span of 49 ft (14.8 m) and a deck 25 ft wide.

Who owns CO CR 96 over South Platte River?

It is owned by the County Highway Agency.