US Bridges

W55 Franklin Ave over BNSF RR

Good

Henry County, Iowa · 071070110 · Structure no. 000000000180531

Built
2019
6 years old
Condition
Good
inspected February 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
187 ft
3 main spans
Daily traffic
920
2022 count
Owner
County
County Highway Agency

About this bridge

W55 Franklin Ave over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying W55 Franklin Ave over BNSF RR in Henry County, Iowa. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 920 vehicles a day, roughly 15% of them trucks, projected to reach 920 by 2043. The structure is 187 ft (57 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesW55 Franklin Ave
CrossesBNSF RR
Location071070110
RouteCounty Highway 0
StateIowa
Coordinates40.97633, -91.6124
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length187 ft (57 m)
Longest span82 ft (25 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2022)
Projected traffic920 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 W55 Franklin Ave over BNSF RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is W55 Franklin Ave 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 2022.

How much traffic does W55 Franklin Ave over BNSF RR carry?

About 920 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is W55 Franklin Ave over BNSF RR?

The structure is 187 ft (57 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.

Who owns W55 Franklin Ave over BNSF RR?

It is owned by the County Highway Agency.