US Bridges

FM over BNSF RR

Good

Henry County, Iowa · 071060802 · Structure no. 000000000180391

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
189 ft
3 main spans
Daily traffic
1,120
2022 count
Owner
County
County Highway Agency

About this bridge

FM over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying FM over BNSF RR in Henry County, Iowa. It was built in 2010, so it is 15 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 1,120 vehicles a day, roughly 9% of them trucks, projected to reach 1,120 by 2043. The structure is 189 ft (57.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM
CrossesBNSF RR
Location071060802
RouteCounty Highway 0
StateIowa
Coordinates40.97449, -91.58304
Functional classUrban Collector

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 inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating81.2 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length189 ft (57.6 m)
Longest span69 ft (21 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2022)
Projected traffic1,120 by 2043
Trucks9%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM over BNSF RR built?

It was built in 2010, making it 15 years old in 2025.

What condition is FM 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 February 2023.

How much traffic does FM over BNSF RR carry?

About 1,120 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is FM over BNSF RR?

The structure is 189 ft (57.6 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns FM over BNSF RR?

It is owned by the County Highway Agency.