US Bridges

Lincoln RD over I-74

Fair

Scott County, Iowa · 3.8 Mi. E of Jct. I-80 · Structure no. 000000000047301

Built
2010
15 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
2 main spans
Daily traffic
4,523
2022 count
Owner
State
State Highway Agency

About this bridge

Lincoln RD over I-74 is a prestressed concrete stringer/multi-beam or girder carrying Lincoln RD over I-74 in Scott County, Iowa. It was built in 2010, so it is 15 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 4,523 vehicles a day, projected to reach 4,523 by 2044. The structure is 270 ft (82.3 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLincoln RD
CrossesI-74
Location3.8 Mi. E of Jct. I-80
RouteCity Street 0
CountyScott County
StateIowa
Coordinates41.53669, -90.51747
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length270 ft (82.3 m)
Longest span136 ft (41.5 m)
Deck width69 ft (21 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,523 (2022)
Projected traffic4,523 by 2044
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lincoln RD over I-74 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Lincoln RD over I-74 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 2024.

How much traffic does Lincoln RD over I-74 carry?

About 4,523 vehicles per day (2022 count).

How long is Lincoln RD over I-74?

The structure is 270 ft (82.3 m) long with a longest span of 136 ft (41.5 m) and a deck 69 ft wide.

Who owns Lincoln RD over I-74?

It is owned by the State Highway Agency.