US Bridges

SH 11 over Clearwater R.;greer Br.

Fair

Lewis County, Idaho · At Greer Wcl · Structure no. 000000000010300

Built
1954
71 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
363 ft
3 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

SH 11 over Clearwater R.;greer Br. is a steel continuous stringer/multi-beam or girder carrying SH 11 over Clearwater R.;greer Br. in Lewis County, Idaho. It was built in 1954, so it is 71 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 1,400 vehicles a day, roughly 20% of them trucks, projected to reach 2,100 by 2042. The structure is 363 ft (110.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 11
CrossesClearwater R.;greer Br.
LocationAt Greer Wcl
RouteState Highway 11
CountyLewis County
StateIdaho
Coordinates46.39189, -116.17892
Functional classRural Major 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 15
Structure length363 ft (110.6 m)
Longest span124 ft (37.8 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic2,100 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$4.8 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 11 over Clearwater R.;greer Br. built?

It was built in 1954, making it 71 years old in 2025.

What condition is SH 11 over Clearwater R.;greer 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 May 2024.

How much traffic does SH 11 over Clearwater R.;greer Br. carry?

About 1,400 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SH 11 over Clearwater R.;greer Br.?

The structure is 363 ft (110.6 m) long with a longest span of 124 ft (37.8 m) and a deck 31 ft wide.

Who owns SH 11 over Clearwater R.;greer Br.?

It is owned by the State Highway Agency.