US Bridges

HWY 242 over S Fk Coquille R (white)

Good

Coos County, Oregon · 004 MI NE Powers · Structure no. 01745A242 01713

Built
1966
59 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
397 ft
4 main spans
Daily traffic
885
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 242 over S Fk Coquille R (white) is a prestressed concrete stringer/multi-beam or girder carrying HWY 242 over S Fk Coquille R (white) in Coos County, Oregon. It was built in 1966, so it is 59 years old, older 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 885 vehicles a day, roughly 15% of them trucks, projected to reach 900 by 2042. The structure is 397 ft (121 m) long and 38 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesHWY 242
CrossesS Fk Coquille R (white)
Location004 MI NE Powers
RouteState Highway 542
StateOregon
Coordinates42.89721, -124.08252
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length397 ft (121 m)
Longest span110 ft (33.5 m)
Deck width38 ft (11.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic885 (2022)
Projected traffic900 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 HWY 242 over S Fk Coquille R (white) built?

It was built in 1966, making it 59 years old in 2025.

What condition is HWY 242 over S Fk Coquille R (white) 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 2023.

How much traffic does HWY 242 over S Fk Coquille R (white) carry?

About 885 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is HWY 242 over S Fk Coquille R (white)?

The structure is 397 ft (121 m) long with a longest span of 110 ft (33.5 m) and a deck 38 ft wide.

Who owns HWY 242 over S Fk Coquille R (white)?

It is owned by the State Highway Agency.