US Bridges

Lincoln Ave. over Town Brook

Fair

Morgan County, Illinois · Lincoln at Brook · Structure no. 069601300000000

Built
1961
64 years old
Condition
Fair
inspected May 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
4,050
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lincoln Ave. over Town Brook is a prestressed concrete box beam or girders - multiple carrying Lincoln Ave. over Town Brook in Morgan County, Illinois. It was built in 1961, so it is 64 years old, older 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 5 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 4,050 vehicles a day, roughly 5% of them trucks, projected to reach 4,646 by 2046. The structure is 50 ft (15.2 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLincoln Ave.
CrossesTown Brook
LocationLincoln at Brook
CountyMorgan County
StateIllinois
Coordinates39.72359, -90.24808
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.7 US tons
Inventory rating57.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width52 ft (15.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,050 (2024)
Projected traffic4,646 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lincoln Ave. over Town Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is Lincoln Ave. over Town Brook 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 May 2022.

How much traffic does Lincoln Ave. over Town Brook carry?

About 4,050 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Lincoln Ave. over Town Brook?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 52 ft wide.

Who owns Lincoln Ave. over Town Brook?

It is owned by the City or Municipal Highway Agency.