US Bridges

SH 200 over Burlington Northern RR

Fair

Bonner County, Idaho · 3.6 W. Clark Fork · Structure no. 000000000019065

Built
1966
59 years old
Condition
Fair
inspected August 2022
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
282 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
State
State Highway Agency

About this bridge

SH 200 over Burlington Northern RR is a concrete continuous box beam or girders - single or spread carrying SH 200 over Burlington Northern RR in Bonner County, Idaho. It was built in 1966, so it is 59 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 3,000 by 2042. The structure is 282 ft (86 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSH 200
CrossesBurlington Northern RR
Location3.6 W. Clark Fork
RouteState Highway 200
CountyBonner County
StateIdaho
Coordinates48.17833, -116.23
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length282 ft (86 m)
Longest span142 ft (43.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic3,000 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 200 over Burlington Northern RR built?

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

What condition is SH 200 over Burlington Northern RR 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 August 2022.

How much traffic does SH 200 over Burlington Northern RR carry?

About 2,000 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SH 200 over Burlington Northern RR?

The structure is 282 ft (86 m) long with a longest span of 142 ft (43.3 m) and a deck 33 ft wide.

Who owns SH 200 over Burlington Northern RR?

It is owned by the State Highway Agency.