US Bridges

Lulu Street over Big Canyon Creek

FairPosted for load

Nez Perce County, Idaho · In Peck;ne Section · Structure no. 000000000029970

Built
1920
105 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
112 ft
1 main span
Daily traffic
50
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lulu Street over Big Canyon Creek is a steel truss - thru carrying Lulu Street over Big Canyon Creek in Nez Perce County, Idaho. It was built in 1920, so it is 105 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2039. The structure is 112 ft (34.1 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLulu Street
CrossesBig Canyon Creek
LocationIn Peck;ne Section
RouteCity Street 0
CountyNez Perce County
StateIdaho
Coordinates46.47594, -116.42283
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating8 US tons
Inventory rating5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length112 ft (34.1 m)
Longest span108 ft (32.9 m)
Deck width21 ft (6.3 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lulu Street over Big Canyon Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Lulu Street over Big Canyon 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 September 2023.

How much traffic does Lulu Street over Big Canyon Creek carry?

About 50 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Lulu Street over Big Canyon Creek?

The structure is 112 ft (34.1 m) long with a longest span of 108 ft (32.9 m) and a deck 21 ft wide.

Who owns Lulu Street over Big Canyon Creek?

It is owned by the City or Municipal Highway Agency.