US Bridges

Locust ST over Monkey Run

Good

Louisa County, Iowa · B35500515 · Structure no. 000000000002481

Built
2019
6 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
595
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Locust ST over Monkey Run is a concrete continuous culvert carrying Locust ST over Monkey Run in Louisa County, Iowa. It was built in 2019, so it is 6 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 595 vehicles a day, projected to reach 595 by 2044. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLocust ST
CrossesMonkey Run
LocationB35500515
RouteCity Street 0
CountyLouisa County
StateIowa
Coordinates41.28184, -91.36312
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic595 (2022)
Projected traffic595 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byTown or Township 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 Locust ST over Monkey Run built?

It was built in 2019, making it 6 years old in 2025.

What condition is Locust ST over Monkey Run 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 May 2024.

How much traffic does Locust ST over Monkey Run carry?

About 595 vehicles per day (2022 count).

How long is Locust ST over Monkey Run?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Locust ST over Monkey Run?

It is owned by the City or Municipal Highway Agency and maintained by the Town or Township Highway Agency.