US Bridges

N 4200 E RD over Burgess Cnl Br

Fair

Jefferson County, Idaho · 0.3 S. 2.6 E. Rigby · Structure no. 000000000032540

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
170
2023 count
Owner
County
County Highway Agency

About this bridge

N 4200 E RD over Burgess Cnl Br is a prestressed concrete channel beam carrying N 4200 E RD over Burgess Cnl Br in Jefferson County, Idaho. It was built in 1969, so it is 56 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 170 vehicles a day, roughly 13% of them trucks, projected to reach 255 by 2042. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN 4200 E RD
CrossesBurgess Cnl Br
Location0.3 S. 2.6 E. Rigby
RouteCounty Highway 0
CountyJefferson County
StateIdaho
Coordinates43.66756, -111.86422
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length44 ft (13.4 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2023)
Projected traffic255 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N 4200 E RD over Burgess Cnl Br built?

It was built in 1969, making it 56 years old in 2025.

What condition is N 4200 E RD over Burgess Cnl Br 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 2023.

How much traffic does N 4200 E RD over Burgess Cnl Br carry?

About 170 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is N 4200 E RD over Burgess Cnl Br?

The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns N 4200 E RD over Burgess Cnl Br?

It is owned by the County Highway Agency.