US Bridges

US 30 over Uprr;n.Mccammon Op

Fair

Bannock County, Idaho · 0.6 N. Mccammon · Structure no. 000000000012020

Built
1963
62 years old, rebuilt 2001
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
186 ft
3 main spans
Daily traffic
4,700
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 over Uprr;n.Mccammon Op is a prestressed concrete stringer/multi-beam or girder carrying US 30 over Uprr;n.Mccammon Op in Bannock County, Idaho. It was built in 1963 and reconstructed in 2001, so it is 62 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 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 4,700 vehicles a day, roughly 21% of them trucks, projected to reach 7,050 by 2042. The structure is 186 ft (56.7 m) long and 76 ft wide.

CarriesUS 30
CrossesUprr;n.Mccammon Op
Location0.6 N. Mccammon
RouteU.S. Route 30
StateIdaho
Coordinates42.66072, -112.19672
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span67 ft (20.4 m)
Deck width76 ft (23.2 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2023)
Projected traffic7,050 by 2042
Trucks21%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 30 over Uprr;n.Mccammon Op built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2001.

What condition is US 30 over Uprr;n.Mccammon Op 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 October 2023.

How much traffic does US 30 over Uprr;n.Mccammon Op carry?

About 4,700 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US 30 over Uprr;n.Mccammon Op?

The structure is 186 ft (56.7 m) long with a longest span of 67 ft (20.4 m) and a deck 76 ft wide.

Who owns US 30 over Uprr;n.Mccammon Op?

It is owned by the State Highway Agency.