US Bridges

4300 North RD over Cedar Draw

Fair

Twin Falls County, Idaho · 4.0N 1.9W Filer;jrdn Cor · Structure no. 000000000025570

Built
1968
57 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
690
2023 count
Owner
Local
Other Local Agency

About this bridge

4300 North RD over Cedar Draw is a steel stringer/multi-beam or girder carrying 4300 North RD over Cedar Draw in Twin Falls County, Idaho. It was built in 1968, so it is 57 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 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 690 vehicles a day, roughly 5% of them trucks, projected to reach 1,035 by 2042. The structure is 34 ft (10.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries4300 North RD
CrossesCedar Draw
Location4.0N 1.9W Filer;jrdn Cor
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.62256, -114.65389
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2023)
Projected traffic1,035 by 2042
Trucks5%
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

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$454,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 4300 North RD over Cedar Draw built?

It was built in 1968, making it 57 years old in 2025.

What condition is 4300 North RD over Cedar Draw 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 February 2023.

How much traffic does 4300 North RD over Cedar Draw carry?

About 690 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 4300 North RD over Cedar Draw?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns 4300 North RD over Cedar Draw?

It is owned by the Other Local Agency.