US Bridges

SH34 to I 76 over I 76 Ml R

Fair

Morgan County, Colorado · 4.2 MI W of JCT SH 52 · Structure no. C-21-BM

Built
1995
30 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
350 ft
2 main spans
Daily traffic
2,099
2023 count
Owner
State
State Highway Agency

About this bridge

SH34 to I 76 over I 76 Ml R is a prestressed concrete continuous stringer/multi-beam or girder carrying SH34 to I 76 over I 76 Ml R in Morgan County, Colorado. It was built in 1995, so it is 30 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 5 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 2,099 vehicles a day, roughly 9% of them trucks, projected to reach 2,666 by 2042. The structure is 350 ft (106.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH34 to I 76
CrossesI 76 Ml R
Location4.2 MI W of JCT SH 52
RouteU.S. Route 34B
Coordinates40.25413, -103.88158
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.2 US tons
Inventory rating24.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length350 ft (106.7 m)
Longest span173 ft (52.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,099 (2023)
Projected traffic2,666 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH34 to I 76 over I 76 Ml R built?

It was built in 1995, making it 30 years old in 2025.

What condition is SH34 to I 76 over I 76 Ml R 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 February 2025.

How much traffic does SH34 to I 76 over I 76 Ml R carry?

About 2,099 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SH34 to I 76 over I 76 Ml R?

The structure is 350 ft (106.7 m) long with a longest span of 173 ft (52.7 m) and a deck 47 ft wide.

Who owns SH34 to I 76 over I 76 Ml R?

It is owned by the State Highway Agency.