US Bridges

I 76 Access Road over BNSF RR Ar

Fair

Morgan County, Colorado · 6.9 MI East of JCT SH 34 · Structure no. D-21-P

Built
1978
47 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
142 ft
3 main spans
Daily traffic
944
2023 count
Owner
State
State Highway Agency

About this bridge

I 76 Access Road over BNSF RR Ar is a steel continuous stringer/multi-beam or girder carrying I 76 Access Road over BNSF RR Ar in Morgan County, Colorado. It was built in 1978, so it is 47 years old, older 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 944 vehicles a day, roughly 17% of them trucks, projected to reach 1,198 by 2043. The structure is 142 ft (43.4 m) long and 40 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesI 76 Access Road
CrossesBNSF RR Ar
Location6.9 MI East of JCT SH 34
RouteInterstate 76A
Coordinates40.24191, -103.92421
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length142 ft (43.4 m)
Longest span58 ft (17.7 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic944 (2023)
Projected traffic1,198 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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 I 76 Access Road over BNSF RR Ar built?

It was built in 1978, making it 47 years old in 2025.

What condition is I 76 Access Road over BNSF RR Ar 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 I 76 Access Road over BNSF RR Ar carry?

About 944 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is I 76 Access Road over BNSF RR Ar?

The structure is 142 ft (43.4 m) long with a longest span of 58 ft (17.7 m) and a deck 40 ft wide.

Who owns I 76 Access Road over BNSF RR Ar?

It is owned by the State Highway Agency.