US Bridges

I 84 over Meadow Creek

Fair

Cassia County, Idaho · 5.7 E. Sublett · Structure no. 000000000016480

Built
1968
57 years old
Condition
Fair
inspected May 2021
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 over Meadow Creek is a concrete frame carrying I 84 over Meadow Creek in Cassia County, Idaho. It was built in 1968, so it is 57 years old, older than the Idaho average of 45.3 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 11,000 vehicles a day, roughly 77% of them trucks, projected to reach 16,500 by 2042. The structure is 23 ft (7 m) long and 287 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 84
CrossesMeadow Creek
Location5.7 E. Sublett
RouteInterstate 84
StateIdaho
Coordinates42.26492, -113.13981
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width287 ft (87.5 m)
Roadway width284 ft (86.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic16,500 by 2042
Trucks77%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 84 over Meadow Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 84 over Meadow 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 May 2021.

How much traffic does I 84 over Meadow Creek carry?

About 11,000 vehicles per day (2023 count), of which roughly 77% are trucks.

How long is I 84 over Meadow Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 287 ft wide.

Who owns I 84 over Meadow Creek?

It is owned by the State Highway Agency.