US Bridges

County Road 11A over Chandler Creek

Fair

Fremont County, Colorado · .3 MI S of SH 115 · Structure no. FRCO 11A-200

Built
1975
50 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
1,807
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 11A over Chandler Creek is a concrete tee beam carrying County Road 11A over Chandler Creek in Fremont County, Colorado. It was built in 1975, so it is 50 years old, older 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 1,807 vehicles a day, roughly 5% of them trucks, projected to reach 2,024 by 2042. The structure is 42 ft (12.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Road 11A
CrossesChandler Creek
Location.3 MI S of SH 115
RouteCounty Highway 0
CountyFremont County
StateColorado
Coordinates38.39938, -105.16548
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span37 ft (11.3 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,807 (2022)
Projected traffic2,024 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 11A over Chandler Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is County Road 11A over Chandler 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 11A over Chandler Creek carry?

About 1,807 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road 11A over Chandler Creek?

The structure is 42 ft (12.8 m) long with a longest span of 37 ft (11.3 m) and a deck 30 ft wide.

Who owns County Road 11A over Chandler Creek?

It is owned by the County Highway Agency.