US Bridges

Old River RD over Pleasant Run Cr.

Fair

Linn County, Iowa · 082060805 · Structure no. 000000000220171

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
207
2022 count
Owner
County
County Highway Agency

About this bridge

Old River RD over Pleasant Run Cr. is a concrete continuous slab carrying Old River RD over Pleasant Run Cr. in Linn County, Iowa. It was built in 1985, so it is 40 years old, younger 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 207 vehicles a day, projected to reach 207 by 2044. The structure is 90 ft (27.4 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesOld River RD
CrossesPleasant Run Cr.
Location082060805
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates41.9312, -91.56161
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic207 (2022)
Projected traffic207 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old River RD over Pleasant Run Cr. built?

It was built in 1985, making it 40 years old in 2025.

What condition is Old River RD over Pleasant Run Cr. 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 September 2024.

How much traffic does Old River RD over Pleasant Run Cr. carry?

About 207 vehicles per day (2022 count).

How long is Old River RD over Pleasant Run Cr.?

The structure is 90 ft (27.4 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns Old River RD over Pleasant Run Cr.?

It is owned by the County Highway Agency.