US Bridges

I-84 (SR-84) over Dry Creek

Fair

Morgan County, Utah · In Mountain Green · Structure no. 0E2524

Built
2005
20 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
16,887
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) over Dry Creek is a concrete culvert carrying I-84 (SR-84) over Dry Creek in Morgan County, Utah. It was built in 2005, so it is 20 years old, younger than the Utah average of 40.1 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 16,887 vehicles a day, roughly 42% of them trucks, projected to reach 20,264 by 2042. The structure is 33 ft (10 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-84 (SR-84)
CrossesDry Creek
LocationIn Mountain Green
RouteInterstate 84
StateUtah
Coordinates41.13833, -111.80832
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating80.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length33 ft (10 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,887 (2022)
Projected traffic20,264 by 2042
Trucks42%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 (SR-84) over Dry Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is I-84 (SR-84) over Dry Creek 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 July 2023.

How much traffic does I-84 (SR-84) over Dry Creek carry?

About 16,887 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is I-84 (SR-84) over Dry Creek?

The structure is 33 ft (10 m) long with a longest span of 15 ft (4.6 m).

Who owns I-84 (SR-84) over Dry Creek?

It is owned by the State Highway Agency.