US Bridges

Monarch Ave over Carson Creek

Good

Jasper County, Iowa · 079193501 · Structure no. 000000000197031

Built
2012
13 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
91
2022 count
Owner
County
County Highway Agency

About this bridge

Monarch Ave over Carson Creek is a concrete continuous slab carrying Monarch Ave over Carson Creek in Jasper County, Iowa. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 91 vehicles a day, projected to reach 91 by 2043. The structure is 72 ft (21.9 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMonarch Ave
CrossesCarson Creek
Location079193501
RouteCounty Highway 0
StateIowa
Coordinates41.61234, -93.0262
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length72 ft (21.9 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2022)
Projected traffic91 by 2043
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 Monarch Ave over Carson Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Monarch Ave over Carson Creek 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 Monarch Ave over Carson Creek carry?

About 91 vehicles per day (2022 count).

How long is Monarch Ave over Carson Creek?

The structure is 72 ft (21.9 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Monarch Ave over Carson Creek?

It is owned by the County Highway Agency.