US Bridges

SH 52 over Payette River;emmett Br.

Fair

Gem County, Idaho · In Emmett · Structure no. 000000000014650

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
340 ft
5 main spans
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

SH 52 over Payette River;emmett Br. is a prestressed concrete stringer/multi-beam or girder carrying SH 52 over Payette River;emmett Br. in Gem County, Idaho. It was built in 1971, so it is 54 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 10,500 vehicles a day, roughly 5% of them trucks, projected to reach 15,750 by 2042. The structure is 340 ft (103.6 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSH 52
CrossesPayette River;emmett Br.
LocationIn Emmett
RouteState Highway 52
StateIdaho
Coordinates43.88174, -116.50017
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span67 ft (20.3 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic15,750 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.7 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 52 over Payette River;emmett Br. built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 52 over Payette River;emmett Br. 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 March 2024.

How much traffic does SH 52 over Payette River;emmett Br. carry?

About 10,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 52 over Payette River;emmett Br.?

The structure is 340 ft (103.6 m) long with a longest span of 67 ft (20.3 m) and a deck 39 ft wide.

Who owns SH 52 over Payette River;emmett Br.?

It is owned by the State Highway Agency.