US Bridges

Ia 906 EB over BNSF RR

Good

Pottawattamie County, Iowa · 1.0 Mi. W. of Jct. I-80 · Structure no. 000000000043140

Built
1968
57 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
167 ft
3 main spans
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 906 EB over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Ia 906 EB over BNSF RR in Pottawattamie County, Iowa. It was built in 1968, so it is 57 years old, older 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 3,900 vehicles a day, roughly 5% of them trucks, projected to reach 3,900 by 2042. The structure is 167 ft (50.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 906 EB
CrossesBNSF RR
Location1.0 Mi. W. of Jct. I-80
RouteState Highway 906
StateIowa
Coordinates41.27939, -95.80639
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span57 ft (17.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2022)
Projected traffic3,900 by 2042
Trucks5%
Lanes on structure2
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 byCity or Municipal 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 Ia 906 EB over BNSF RR built?

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

What condition is Ia 906 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 May 2023.

How much traffic does Ia 906 EB over BNSF RR carry?

About 3,900 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ia 906 EB over BNSF RR?

The structure is 167 ft (50.9 m) long with a longest span of 57 ft (17.4 m) and a deck 35 ft wide.

Who owns Ia 906 EB over BNSF RR?

It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.