US Bridges

Takilma Road over E Fk Illinois River

Good

Josephine County, Oregon · T41S-R8E-S10 Josephine CO · Structure no. 582045582000845

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
585
2020 count
Owner
County
County Highway Agency

About this bridge

Takilma Road over E Fk Illinois River is a prestressed concrete tee beam carrying Takilma Road over E Fk Illinois River in Josephine County, Oregon. It was built in 1988, so it is 37 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 585 vehicles a day, roughly 10% of them trucks, projected to reach 681 by 2025. The structure is 117 ft (35.7 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTakilma Road
CrossesE Fk Illinois River
LocationT41S-R8E-S10 Josephine CO
RouteCounty Highway C5820
StateOregon
Coordinates42.01179, -123.62779
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating23.6 US tons
Inventory rating18.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span114 ft (34.7 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic585 (2020)
Projected traffic681 by 2025
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$599,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Takilma Road over E Fk Illinois River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Takilma Road over E Fk Illinois River 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 October 2024.

How much traffic does Takilma Road over E Fk Illinois River carry?

About 585 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Takilma Road over E Fk Illinois River?

The structure is 117 ft (35.7 m) long with a longest span of 114 ft (34.7 m) and a deck 18 ft wide.

Who owns Takilma Road over E Fk Illinois River?

It is owned by the County Highway Agency.