US Bridges

US 24 over Lamoine River

Fair

Brown County, Illinois · E Ripley-Schuyler CO · Structure no. 005050000000000

Built
2011
14 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
469 ft
3 main spans
Daily traffic
3,050
2023 count
Owner
State
State Highway Agency

About this bridge

US 24 over Lamoine River is a steel continuous stringer/multi-beam or girder carrying US 24 over Lamoine River in Brown County, Illinois. It was built in 2011, so it is 14 years old, younger than the Illinois average of 45.3 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 3,050 vehicles a day, roughly 11% of them trucks, projected to reach 3,384 by 2046. The structure is 469 ft (143 m) long and 39 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesUS 24
CrossesLamoine River
LocationE Ripley-Schuyler CO
RouteU.S. Route 24
CountyBrown County
StateIllinois
Coordinates40.0261, -90.63297
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length469 ft (143 m)
Longest span198 ft (60.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2023)
Projected traffic3,384 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 24 over Lamoine River built?

It was built in 2011, making it 14 years old in 2025.

What condition is US 24 over Lamoine River 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 November 2023.

How much traffic does US 24 over Lamoine River carry?

About 3,050 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 24 over Lamoine River?

The structure is 469 ft (143 m) long with a longest span of 198 ft (60.4 m) and a deck 39 ft wide.

Who owns US 24 over Lamoine River?

It is owned by the State Highway Agency.