US Bridges

Broadway ST over Poney Slough

Fair

Coos County, Oregon · City of North Bend · Structure no. 006T1 000000000

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
10,870
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broadway ST over Poney Slough is a prestressed concrete slab carrying Broadway ST over Poney Slough in Coos County, Oregon. It was built in 1962, so it is 63 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 10,870 vehicles a day, roughly 10% of them trucks, projected to reach 11,620 by 2025. The structure is 26 ft (7.9 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBroadway ST
CrossesPoney Slough
LocationCity of North Bend
RouteCity Street 2671
CountyCoos County
StateOregon
Coordinates43.38891, -124.23914
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width51 ft (15.5 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,870 (2020)
Projected traffic11,620 by 2025
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Broadway ST over Poney Slough built?

It was built in 1962, making it 63 years old in 2025.

What condition is Broadway ST over Poney Slough 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 September 2024.

How much traffic does Broadway ST over Poney Slough carry?

About 10,870 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Broadway ST over Poney Slough?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 51 ft wide.

Who owns Broadway ST over Poney Slough?

It is owned by the City or Municipal Highway Agency.