US Bridges

County Road 29 over Green Ridge Glade Reser.

Fair

Larimer County, Colorado · 0.3 MI N of CO RD 22H · Structure no. LR29-0.3-22H

Built
2004
21 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
145
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Green Ridge Glade Reser. is a concrete culvert carrying County Road 29 over Green Ridge Glade Reser. in Larimer County, Colorado. It was built in 2004, so it is 21 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 145 vehicles a day, roughly 19% of them trucks, projected to reach 181 by 2042. The structure is 23 ft (7 m) long and 151 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road 29
CrossesGreen Ridge Glade Reser.
Location0.3 MI N of CO RD 22H
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.42803, -105.21044
Functional classRural 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width151 ft (45.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2023)
Projected traffic181 by 2042
Trucks19%
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 29 over Green Ridge Glade Reser. built?

It was built in 2004, making it 21 years old in 2025.

What condition is County Road 29 over Green Ridge Glade Reser. 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 May 2023.

How much traffic does County Road 29 over Green Ridge Glade Reser. carry?

About 145 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is County Road 29 over Green Ridge Glade Reser.?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 151 ft wide.

Who owns County Road 29 over Green Ridge Glade Reser.?

It is owned by the County Highway Agency.