US Bridges

Sr. F-70 over Ia 163-MONROE Bypass

Good

Jasper County, Iowa · 2.0 Miles W of JCT Ia 14 · Structure no. 000000000606430

Built
1997
28 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
2 main spans
Daily traffic
830
2022 count
Owner
State
State Highway Agency

About this bridge

Sr. F-70 over Ia 163-MONROE Bypass is a prestressed concrete stringer/multi-beam or girder carrying Sr. F-70 over Ia 163-MONROE Bypass in Jasper County, Iowa. It was built in 1997, so it is 28 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 830 vehicles a day, projected to reach 830 by 2043. The structure is 229 ft (69.9 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSr. F-70
CrossesIa 163-MONROE Bypass
Location2.0 Miles W of JCT Ia 14
RouteCounty Highway 0
CountyJasper County
StateIowa
Coordinates41.52272, -93.13067
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length229 ft (69.9 m)
Longest span116 ft (35.4 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2022)
Projected traffic830 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.3 mi (23 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sr. F-70 over Ia 163-MONROE Bypass built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sr. F-70 over Ia 163-MONROE Bypass 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 January 2023.

How much traffic does Sr. F-70 over Ia 163-MONROE Bypass carry?

About 830 vehicles per day (2022 count).

How long is Sr. F-70 over Ia 163-MONROE Bypass?

The structure is 229 ft (69.9 m) long with a longest span of 116 ft (35.4 m) and a deck 34 ft wide.

Who owns Sr. F-70 over Ia 163-MONROE Bypass?

It is owned by the State Highway Agency.