US Bridges

29 Road over RR/I70 Business

Good

Mesa County, Colorado · Over I-70 Business RTE · Structure no. GRJ-29-D.65

Built
2010
15 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
779 ft
7 main spans
Daily traffic
17,784
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

29 Road over RR/I70 Business is a prestressed concrete continuous stringer/multi-beam or girder carrying 29 Road over RR/I70 Business in Mesa County, Colorado. It was built in 2010, so it is 15 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,784 vehicles a day, roughly 7% of them trucks, projected to reach 20,807 by 2042. The structure is 779 ft (237.5 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries29 Road
CrossesRR/I70 Business
LocationOver I-70 Business RTE
RouteCity Street 0
Coordinates39.07236, -108.51522
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans7
Design loadHL 93
Structure length779 ft (237.5 m)
Longest span153 ft (46.7 m)
Deck width79 ft (24.1 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,784 (2022)
Projected traffic20,807 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 29 Road over RR/I70 Business built?

It was built in 2010, making it 15 years old in 2025.

What condition is 29 Road over RR/I70 Business in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does 29 Road over RR/I70 Business carry?

About 17,784 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is 29 Road over RR/I70 Business?

The structure is 779 ft (237.5 m) long with a longest span of 153 ft (46.7 m) and a deck 79 ft wide.

Who owns 29 Road over RR/I70 Business?

It is owned by the City or Municipal Highway Agency.