US Bridges

Old Ranger Road over Fall River

Fair

Larimer County, Colorado · 0.5 Miles South of HWY 34 · Structure no. EP-RANGE-FALL-R

Built
1983
42 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
268
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old Ranger Road over Fall River is a prestressed concrete tee beam carrying Old Ranger Road over Fall River in Larimer County, Colorado. It was built in 1983, so it is 42 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 6 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 268 vehicles a day, roughly 15% of them trucks, projected to reach 335 by 2043. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Ranger Road
CrossesFall River
Location0.5 Miles South of HWY 34
RouteCity Street 0
Coordinates40.37803, -105.53656
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating50.7 US tons
Inventory rating38.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic268 (2023)
Projected traffic335 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old Ranger Road over Fall River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Old Ranger Road over Fall River 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 September 2024.

How much traffic does Old Ranger Road over Fall River carry?

About 268 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Old Ranger Road over Fall River?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Old Ranger Road over Fall River?

It is owned by the City or Municipal Highway Agency.