US Bridges

FM RD S 17 over I-35

Fair

Franklin County, Iowa · 3.7 Mi. S of Jct. Ia 3 · Structure no. 000000000602465

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
336 ft
4 main spans
Daily traffic
25
2022 count
Owner
State
State Highway Agency

About this bridge

FM RD S 17 over I-35 is a steel continuous stringer/multi-beam or girder carrying FM RD S 17 over I-35 in Franklin County, Iowa. It was built in 1974, so it is 51 years old, older 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 25 vehicles a day, projected to reach 25 by 2043. The structure is 336 ft (102.4 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFM RD S 17
CrossesI-35
Location3.7 Mi. S of Jct. Ia 3
RouteCounty Highway 0
CountyFranklin County
StateIowa
Coordinates42.6991, -93.4377
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.5 US tons
Inventory rating32.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length336 ft (102.4 m)
Longest span108 ft (32.9 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 FM RD S 17 over I-35 built?

It was built in 1974, making it 51 years old in 2025.

What condition is FM RD S 17 over I-35 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 May 2023.

How much traffic does FM RD S 17 over I-35 carry?

About 25 vehicles per day (2022 count).

How long is FM RD S 17 over I-35?

The structure is 336 ft (102.4 m) long with a longest span of 108 ft (32.9 m) and a deck 33 ft wide.

Who owns FM RD S 17 over I-35?

It is owned by the State Highway Agency.