US Bridges

CR 120/PORTLAND RD over Beaver Creek

PoorClosed to traffic

Fremont County, Colorado · 3.5 MI E of Portland · Structure no. FRCO 120-211

Built
1923
102 years old
Condition
Poor
inspected February 2025
Type
Truss - Thru
Steel
Length
104 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

CR 120/PORTLAND RD over Beaver Creek is a steel truss - thru carrying CR 120/PORTLAND RD over Beaver Creek in Fremont County, Colorado. It was built in 1923, so it is 102 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 1 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. Its operating status is: closed to all traffic.

It carries about 35 vehicles a day, projected to reach 40 by 2042. The structure is 104 ft (31.7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 120/PORTLAND RD
CrossesBeaver Creek
Location3.5 MI E of Portland
RouteCounty Highway 0
Coordinates38.37427, -104.96369
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
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 rating21.4 US tons
Inventory rating12.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span97 ft (29.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic40 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 120/PORTLAND RD over Beaver Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is CR 120/PORTLAND RD over Beaver 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 February 2025.

How much traffic does CR 120/PORTLAND RD over Beaver Creek carry?

About 35 vehicles per day (2022 count).

How long is CR 120/PORTLAND RD over Beaver Creek?

The structure is 104 ft (31.7 m) long with a longest span of 97 ft (29.6 m) and a deck 22 ft wide.

Who owns CR 120/PORTLAND RD over Beaver Creek?

It is owned by the County Highway Agency.