US Bridges

I.9 Road over Local Drainage

Poor

Mesa County, Colorado · .6 MI NW of Cameo · Structure no. MESA-I.9-38.6

Built
1901
124 years old
Condition
Poor
inspected February 2024
Type
Culvert
Steel
Length
22 ft
6 main spans
Daily traffic
309
2022 count
Owner
County
County Highway Agency

About this bridge

I.9 Road over Local Drainage is a steel culvert carrying I.9 Road over Local Drainage in Mesa County, Colorado. It was built in 1901, so it is 124 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 309 vehicles a day, roughly 2% of them trucks, projected to reach 362 by 2042. The structure is 22 ft (6.6 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesI.9 Road
CrossesLocal Drainage
Location.6 MI NW of Cameo
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.15456, -108.32679
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span3 ft (0.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2022)
Projected traffic362 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 I.9 Road over Local Drainage built?

It was built in 1901, making it 124 years old in 2025.

What condition is I.9 Road over Local Drainage 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 2024.

How much traffic does I.9 Road over Local Drainage carry?

About 309 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is I.9 Road over Local Drainage?

The structure is 22 ft (6.6 m) long with a longest span of 3 ft (0.9 m) and a deck 30 ft wide.

Who owns I.9 Road over Local Drainage?

It is owned by the County Highway Agency.