US Bridges

River RD over Jack Creek

Fair

Lee County, Iowa · 000000000 · Structure no. 000000000008361

Built
1992
33 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
1,010
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

River RD over Jack Creek is a concrete continuous slab carrying River RD over Jack Creek in Lee County, Iowa. It was built in 1992, so it is 33 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 1,010 vehicles a day, roughly 2% of them trucks, projected to reach 1,010 by 2044. The structure is 103 ft (31.4 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRiver RD
CrossesJack Creek
Location000000000
RouteCity Street 0
CountyLee County
StateIowa
Coordinates40.53456, -91.41835
Functional classRural Major Collector

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 inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating40.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,010 (2022)
Projected traffic1,010 by 2044
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 River RD over Jack Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is River RD over Jack Creek 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 March 2024.

How much traffic does River RD over Jack Creek carry?

About 1,010 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is River RD over Jack Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 39 ft wide.

Who owns River RD over Jack Creek?

It is owned by the City or Municipal Highway Agency.