US Bridges

County Road 36 over Dry Creek

Good

Baca County, Colorado · 2 MI S of SH 160 · Structure no. BA35-35.3-23-83

Built
1939
86 years old
Condition
Good
inspected April 2024
Type
Arch - Deck
Masonry
Length
23 ft
2 main spans
Daily traffic
102
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 36 over Dry Creek is a masonry arch - deck carrying County Road 36 over Dry Creek in Baca County, Colorado. It was built in 1939, so it is 86 years old, older 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 102 vehicles a day, roughly 2% of them trucks, projected to reach 131 by 2042. The structure is 23 ft (7 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 36
CrossesDry Creek
Location2 MI S of SH 160
RouteCounty Highway 0
CountyBaca County
StateColorado
Coordinates37.34014, -102.44733
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2022)
Projected traffic131 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 36 over Dry Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is County Road 36 over Dry Creek 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 April 2024.

How much traffic does County Road 36 over Dry Creek carry?

About 102 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 36 over Dry Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns County Road 36 over Dry Creek?

It is owned by the County Highway Agency.