US Bridges

Smithville RD over E Br Lamarsh CR

Fair

Peoria County, Illinois · SE-21-T8NR7E · Structure no. 072311900000000

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
3 main spans
Daily traffic
2,650
2022 count
Owner
County
County Highway Agency

About this bridge

Smithville RD over E Br Lamarsh CR is a prestressed concrete stringer/multi-beam or girder carrying Smithville RD over E Br Lamarsh CR in Peoria County, Illinois. It was built in 1987, so it is 38 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 2,650 vehicles a day, roughly 5% of them trucks, projected to reach 2,525 by 2046. The structure is 229 ft (69.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSmithville RD
CrossesE Br Lamarsh CR
LocationSE-21-T8NR7E
Coordinates40.65644, -89.70653
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span77 ft (23.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2022)
Projected traffic2,525 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Smithville RD over E Br Lamarsh CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is Smithville RD over E Br Lamarsh 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 Smithville RD over E Br Lamarsh CR carry?

About 2,650 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Smithville RD over E Br Lamarsh CR?

The structure is 229 ft (69.8 m) long with a longest span of 77 ft (23.5 m) and a deck 33 ft wide.

Who owns Smithville RD over E Br Lamarsh CR?

It is owned by the County Highway Agency.