US Bridges

Highway F-48 W over S Skunk River

Good

Jasper County, Iowa · 079200406 · Structure no. 000000000030401

Built
2000
25 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
427 ft
3 main spans
Daily traffic
1,470
2022 count
Owner
County
County Highway Agency

About this bridge

Highway F-48 W over S Skunk River is a prestressed concrete stringer/multi-beam or girder carrying Highway F-48 W over S Skunk River in Jasper County, Iowa. It was built in 2000, so it is 25 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 1,470 vehicles a day, roughly 9% of them trucks, projected to reach 1,470 by 2043. The structure is 427 ft (130.2 m) long and 37 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesHighway F-48 W
CrossesS Skunk River
Location079200406
RouteCounty Highway 0
StateIowa
Coordinates41.68688, -93.18308
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length427 ft (130.2 m)
Longest span141 ft (43 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,470 (2022)
Projected traffic1,470 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Highway F-48 W over S Skunk River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Highway F-48 W over S Skunk River 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 April 2023.

How much traffic does Highway F-48 W over S Skunk River carry?

About 1,470 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Highway F-48 W over S Skunk River?

The structure is 427 ft (130.2 m) long with a longest span of 141 ft (43 m) and a deck 37 ft wide.

Who owns Highway F-48 W over S Skunk River?

It is owned by the County Highway Agency.