US Bridges

Dillard Road over Creek

Good

Lane County, Oregon · 035 MI N Creswell · Structure no. 18602 187 00131

Built
1996
29 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
2,535
2020 count
Owner
County
County Highway Agency

About this bridge

Dillard Road over Creek is a prestressed concrete slab carrying Dillard Road over Creek in Lane County, Oregon. It was built in 1996, so it is 29 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 2,535 vehicles a day, roughly 10% of them trucks, projected to reach 2,920 by 2025. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesDillard Road
CrossesCreek
Location035 MI N Creswell
RouteCounty Highway C1870
StateOregon
Coordinates43.96787, -123.03889
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic2,535 (2020)
Projected traffic2,920 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Dillard Road over Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Dillard Road over 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 May 2023.

How much traffic does Dillard Road over Creek carry?

About 2,535 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Dillard Road over Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 32 ft wide.

Who owns Dillard Road over Creek?

It is owned by the County Highway Agency.