US Bridges

S Century DR over Burlington N. R.R.

Fair

Deschutes County, Oregon · 0100 MI W HWY 97 · Structure no. 16181 E20 02685

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
129 ft
3 main spans
Daily traffic
8,351
2020 count
Owner
County
County Highway Agency

About this bridge

S Century DR over Burlington N. R.R. is a prestressed concrete slab carrying S Century DR over Burlington N. R.R. in Deschutes County, Oregon. It was built in 1976, so it is 49 years old, younger 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 8,351 vehicles a day, roughly 11% of them trucks, projected to reach 10,000 by 2030. The structure is 129 ft (39.3 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS Century DR
CrossesBurlington N. R.R.
Location0100 MI W HWY 97
RouteCounty Highway 4112
StateOregon
Coordinates43.8694, -121.43011
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span50 ft (15.2 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,351 (2020)
Projected traffic10,000 by 2030
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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$661,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was S Century DR over Burlington N. R.R. built?

It was built in 1976, making it 49 years old in 2025.

What condition is S Century DR over Burlington N. R.R. 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 March 2024.

How much traffic does S Century DR over Burlington N. R.R. carry?

About 8,351 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is S Century DR over Burlington N. R.R.?

The structure is 129 ft (39.3 m) long with a longest span of 50 ft (15.2 m) and a deck 56 ft wide.

Who owns S Century DR over Burlington N. R.R.?

It is owned by the County Highway Agency.