US Bridges

Jessup Ave over Linn CR

Good

Marshall County, Iowa · 083190302 · Structure no. 000000000242741

Built
2000
25 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

Jessup Ave over Linn CR is a concrete continuous slab carrying Jessup Ave over Linn CR in Marshall 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 62 vehicles a day, projected to reach 62 by 2042. The structure is 125 ft (38.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJessup Ave
CrossesLinn CR
Location083190302
RouteCounty Highway 0
StateIowa
Coordinates42.03193, -93.05804
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating97 US tons
Inventory rating58.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic62 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jessup Ave over Linn CR built?

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

What condition is Jessup Ave over Linn CR 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 November 2022.

How much traffic does Jessup Ave over Linn CR carry?

About 62 vehicles per day (2022 count).

How long is Jessup Ave over Linn CR?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.

Who owns Jessup Ave over Linn CR?

It is owned by the County Highway Agency.