US Bridges

County Line RD over Ia 5

Good

Warren County, Iowa · 1.4 Mi. S of Ia 28 · Structure no. 000000000607220

Built
2000
25 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
814 ft
6 main spans
Daily traffic
1,055
2022 count
Owner
State
State Highway Agency

About this bridge

County Line RD over Ia 5 is a steel continuous stringer/multi-beam or girder carrying County Line RD over Ia 5 in Warren 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 1,055 vehicles a day, roughly 3% of them trucks, projected to reach 1,055 by 2044. The structure is 814 ft (248.1 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesCounty Line RD
CrossesIa 5
Location1.4 Mi. S of Ia 28
RouteCity Street 0
CountyWarren County
StateIowa
Coordinates41.51129, -93.654
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
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 rating64.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length814 ft (248.1 m)
Longest span176 ft (53.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,055 (2022)
Projected traffic1,055 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 County Line RD over Ia 5 built?

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

What condition is County Line RD over Ia 5 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 October 2024.

How much traffic does County Line RD over Ia 5 carry?

About 1,055 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is County Line RD over Ia 5?

The structure is 814 ft (248.1 m) long with a longest span of 176 ft (53.6 m) and a deck 43 ft wide.

Who owns County Line RD over Ia 5?

It is owned by the State Highway Agency.