US Bridges

Hildebrand RD over Buck Creek Drain

Good

Klamath County, Oregon · 030 MI N&e of HWY 140 · Structure no. 35C136105900300

Built
1981
44 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
76
2020 count
Owner
County
County Highway Agency

About this bridge

Hildebrand RD over Buck Creek Drain is a prestressed concrete slab carrying Hildebrand RD over Buck Creek Drain in Klamath County, Oregon. It was built in 1981, so it is 44 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 76 vehicles a day, roughly 10% of them trucks, projected to reach 83 by 2025. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesHildebrand RD
CrossesBuck Creek Drain
Location030 MI N&e of HWY 140
RouteCounty Highway C1059
StateOregon
Coordinates42.29357, -121.50419
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76 (2020)
Projected traffic83 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Hildebrand RD over Buck Creek Drain built?

It was built in 1981, making it 44 years old in 2025.

What condition is Hildebrand RD over Buck Creek Drain 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 March 2023.

How much traffic does Hildebrand RD over Buck Creek Drain carry?

About 76 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Hildebrand RD over Buck Creek Drain?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns Hildebrand RD over Buck Creek Drain?

It is owned by the County Highway Agency.