US Bridges

Locust Street over Tinkle Branch

Fair

Mills County, Iowa · 000000000 · Structure no. 000000000035801

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
8,957
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Locust Street over Tinkle Branch is a concrete continuous culvert carrying Locust Street over Tinkle Branch in Mills County, Iowa. It was built in 1976, so it is 49 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,957 vehicles a day, projected to reach 8,957 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLocust Street
CrossesTinkle Branch
Location000000000
RouteCity Street 0
StateIowa
Coordinates41.04323, -95.74457
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,957 (2021)
Projected traffic8,957 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Locust Street over Tinkle Branch built?

It was built in 1976, making it 49 years old in 2025.

What condition is Locust Street over Tinkle Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Locust Street over Tinkle Branch carry?

About 8,957 vehicles per day (2021 count).

How long is Locust Street over Tinkle Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Locust Street over Tinkle Branch?

It is owned by the City or Municipal Highway Agency.