US Bridges

US 34 EB over BNSF RR

Good

Jefferson County, Iowa · 3.4 Mi. E of Jct. SR V63 · Structure no. 000000000609880

Built
2008
17 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
208 ft
3 main spans
Daily traffic
7,800
2022 count
Owner
State
State Highway Agency

About this bridge

US 34 EB over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying US 34 EB over BNSF RR in Jefferson County, Iowa. It was built in 2008, so it is 17 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,800 vehicles a day, roughly 19% of them trucks, projected to reach 7,800 by 2044. The structure is 208 ft (63.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 34 EB
CrossesBNSF RR
Location3.4 Mi. E of Jct. SR V63
RouteU.S. Route 34
StateIowa
Coordinates41.01217, -92.02574
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.1 US tons
Inventory rating47.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span77 ft (23.5 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2022)
Projected traffic7,800 by 2044
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 34 EB over BNSF RR built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 34 EB over BNSF RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does US 34 EB over BNSF RR carry?

About 7,800 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is US 34 EB over BNSF RR?

The structure is 208 ft (63.4 m) long with a longest span of 77 ft (23.5 m) and a deck 54 ft wide.

Who owns US 34 EB over BNSF RR?

It is owned by the State Highway Agency.