US Bridges

US 34 over E Nodaway River & BNSF R

Fair

Adams County, Iowa · 0.8 Mi. W of JCT.148 · Structure no. 000000000013320

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
831 ft
6 main spans
Daily traffic
2,970
2022 count
Owner
State
State Highway Agency

About this bridge

US 34 over E Nodaway River & BNSF R is a steel continuous stringer/multi-beam or girder carrying US 34 over E Nodaway River & BNSF R in Adams County, Iowa. It was built in 1964, so it is 61 years old, older than the Iowa average of 45.5 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 2,970 vehicles a day, roughly 21% of them trucks, projected to reach 2,970 by 2042. The structure is 831 ft (253.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 34
CrossesE Nodaway River & BNSF R
Location0.8 Mi. W of JCT.148
RouteU.S. Route 34
StateIowa
Coordinates40.97946, -94.75019
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.4 US tons
Inventory rating18.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length831 ft (253.3 m)
Longest span148 ft (45.1 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,970 (2022)
Projected traffic2,970 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 34 over E Nodaway River & BNSF R built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 34 over E Nodaway River & BNSF 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 April 2023.

How much traffic does US 34 over E Nodaway River & BNSF R carry?

About 2,970 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is US 34 over E Nodaway River & BNSF R?

The structure is 831 ft (253.3 m) long with a longest span of 148 ft (45.1 m) and a deck 36 ft wide.

Who owns US 34 over E Nodaway River & BNSF R?

It is owned by the State Highway Agency.