US Bridges

Local Muni RD over Small Natural Stream

Fair

Scott County, Iowa · 079E32404 · Structure no. 000000000046990

Built
1954
71 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
2,085
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Local Muni RD over Small Natural Stream is a concrete continuous culvert carrying Local Muni RD over Small Natural Stream in Scott County, Iowa. It was built in 1954, so it is 71 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 5 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 2,085 vehicles a day, roughly 6% of them trucks, projected to reach 2,085 by 2043. The structure is 58 ft (17.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLocal Muni RD
CrossesSmall Natural Stream
Location079E32404
RouteCity Street 0
CountyScott County
StateIowa
Coordinates41.63636, -90.55903
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.1 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length58 ft (17.7 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,085 (2022)
Projected traffic2,085 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$17,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Muni RD over Small Natural Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is Local Muni RD over Small Natural Stream 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 April 2023.

How much traffic does Local Muni RD over Small Natural Stream carry?

About 2,085 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Local Muni RD over Small Natural Stream?

The structure is 58 ft (17.7 m) long with a longest span of 18 ft (5.5 m).

Who owns Local Muni RD over Small Natural Stream?

It is owned by the City or Municipal Highway Agency.