US Bridges

Modoc Road over No Name Creek

Fair

Jackson County, Oregon · 3.8 MI N of FAS A363 JCT · Structure no. 29C14 523 00375

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
1,443
2020 count
Owner
County
County Highway Agency

About this bridge

Modoc Road over No Name Creek is a concrete continuous culvert carrying Modoc Road over No Name Creek in Jackson County, Oregon. It was built in 1961, so it is 64 years old, older than the Oregon average of 49.9 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.

It carries about 1,443 vehicles a day, roughly 10% of them trucks, projected to reach 1,688 by 2025. The structure is 31 ft (9.3 m) long and 50 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesModoc Road
CrossesNo Name Creek
Location3.8 MI N of FAS A363 JCT
RouteCounty Highway 0A365
CountyJackson County
StateOregon
Coordinates42.49586, -122.86851
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span14 ft (4.3 m)
Deck width50 ft (15.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,443 (2020)
Projected traffic1,688 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Modoc Road over No Name Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Modoc Road over No Name 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 July 2023.

How much traffic does Modoc Road over No Name Creek carry?

About 1,443 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Modoc Road over No Name Creek?

The structure is 31 ft (9.3 m) long with a longest span of 14 ft (4.3 m) and a deck 50 ft wide.

Who owns Modoc Road over No Name Creek?

It is owned by the County Highway Agency.