US Bridges

35th Avenue over Bnrr

Good

Pottawattamie County, Iowa · 35th Ave over BNSF · Structure no. 000000000504455

Built
1994
31 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
3 main spans
Daily traffic
5,316
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

35th Avenue over Bnrr is a prestressed concrete stringer/multi-beam or girder carrying 35th Avenue over Bnrr in Pottawattamie County, Iowa. It was built in 1994, so it is 31 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 5,316 vehicles a day, projected to reach 5,316 by 2044. The structure is 168 ft (51.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries35th Avenue
CrossesBnrr
Location35th Ave over BNSF
RouteCity Street 0
StateIowa
Coordinates41.22441, -95.84831
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating29.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span59 ft (18 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,316 (2022)
Projected traffic5,316 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 35th Avenue over Bnrr built?

It was built in 1994, making it 31 years old in 2025.

What condition is 35th Avenue over Bnrr 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 June 2024.

How much traffic does 35th Avenue over Bnrr carry?

About 5,316 vehicles per day (2022 count).

How long is 35th Avenue over Bnrr?

The structure is 168 ft (51.2 m) long with a longest span of 59 ft (18 m) and a deck 43 ft wide.

Who owns 35th Avenue over Bnrr?

It is owned by the City or Municipal Highway Agency.