US Bridges

County Road 123 over Eight Mile Creek

Fair

Fremont County, Colorado · 0.7 MI E of CR 67 · Structure no. FRCO 123-214A

Built
1991
34 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
812
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 123 over Eight Mile Creek is a steel stringer/multi-beam or girder carrying County Road 123 over Eight Mile Creek in Fremont County, Colorado. It was built in 1991, so it is 34 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 812 vehicles a day, roughly 2% of them trucks, projected to reach 909 by 2042. The structure is 52 ft (15.9 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 123
CrossesEight Mile Creek
Location0.7 MI E of CR 67
RouteCounty Highway 0
Coordinates38.46091, -105.10004
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.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.1 US tons
Inventory rating49.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.9 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic812 (2022)
Projected traffic909 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 123 over Eight Mile Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 123 over Eight Mile Creek 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 2025.

How much traffic does County Road 123 over Eight Mile Creek carry?

About 812 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 123 over Eight Mile Creek?

The structure is 52 ft (15.9 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns County Road 123 over Eight Mile Creek?

It is owned by the County Highway Agency.