US Bridges

WB US 275&IA 92 over BNSF RR and Dl #5

Fair

Pottawattamie County, Iowa · 0.4 Mi. N of N Jct. I-29 · Structure no. 000000000609800

Built
2007
18 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
4 main spans
Daily traffic
5,050
2022 count
Owner
State
State Highway Agency

About this bridge

WB US 275&IA 92 over BNSF RR and Dl #5 is a prestressed concrete stringer/multi-beam or girder carrying WB US 275&IA 92 over BNSF RR and Dl #5 in Pottawattamie County, Iowa. It was built in 2007, so it is 18 years old, younger 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 6 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 5,050 vehicles a day, roughly 10% of them trucks, projected to reach 5,050 by 2043. The structure is 320 ft (97.5 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesWB US 275&IA 92
CrossesBNSF RR and Dl #5
Location0.4 Mi. N of N Jct. I-29
RouteU.S. Route 275
CountyPottawattamie County
StateIowa
Coordinates41.21829, -95.83807
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span87 ft (26.5 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,050 (2022)
Projected traffic5,050 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed—
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 WB US 275&IA 92 over BNSF RR and Dl #5 built?

It was built in 2007, making it 18 years old in 2025.

What condition is WB US 275&IA 92 over BNSF RR and Dl #5 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 July 2023.

How much traffic does WB US 275&IA 92 over BNSF RR and Dl #5 carry?

About 5,050 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is WB US 275&IA 92 over BNSF RR and Dl #5?

The structure is 320 ft (97.5 m) long with a longest span of 87 ft (26.5 m) and a deck 40 ft wide.

Who owns WB US 275&IA 92 over BNSF RR and Dl #5?

It is owned by the State Highway Agency.