US Bridges

County Road Dd over Dry Creek

Poor

Baca County, Colorado · 1.1 MI E of CR 39.4 · Structure no. BADD-40.5-26-56

Built
1934
91 years old
Condition
Poor
inspected April 2024
Type
Arch - Deck
Masonry
Length
23 ft
2 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

County Road Dd over Dry Creek is a masonry arch - deck carrying County Road Dd over Dry Creek in Baca County, Colorado. It was built in 1934, so it is 91 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 35 vehicles a day, projected to reach 44 by 2042. The structure is 23 ft (7.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road Dd
CrossesDry Creek
Location1.1 MI E of CR 39.4
RouteCounty Highway 0
CountyBaca County
StateColorado
Coordinates37.38387, -102.3571
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
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 (7.1 m)
Longest span10 ft (3.1 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic44 by 2042
Trucks0%
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 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 Dd over Dry Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is County Road Dd over Dry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

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

About 35 vehicles per day (2022 count).

How long is County Road Dd over Dry Creek?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3.1 m) and a deck 30 ft wide.

Who owns County Road Dd over Dry Creek?

It is owned by the County Highway Agency.