US Bridges

Letz CR RD over Letz Creek

Good

Lane County, Oregon · 047 MI W of Lorane · Structure no. 39C458439200089

Built
1993
32 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
112
2020 count
Owner
County
County Highway Agency

About this bridge

Letz CR RD over Letz Creek is a prestressed concrete slab carrying Letz CR RD over Letz Creek in Lane County, Oregon. It was built in 1993, so it is 32 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 112 vehicles a day, projected to reach 112 by 2025. The structure is 64 ft (19.5 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

No coordinates are recorded for this structure.

CarriesLetz CR RD
CrossesLetz Creek
Location047 MI W of Lorane
RouteCounty Highway C4392
StateOregon
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length64 ft (19.5 m)
Longest span63 ft (19.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2020)
Projected traffic112 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Letz CR RD over Letz Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Letz CR RD over Letz Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Letz CR RD over Letz Creek carry?

About 112 vehicles per day (2020 count).

How long is Letz CR RD over Letz Creek?

The structure is 64 ft (19.5 m) long with a longest span of 63 ft (19.2 m) and a deck 24 ft wide.

Who owns Letz CR RD over Letz Creek?

It is owned by the County Highway Agency.