US Bridges

Il 105(FAP 741) over Long Creek

Poor

Macon County, Illinois · 4 MI E of Decatur · Structure no. 058004400000000

Built
1961
64 years old
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

Il 105(FAP 741) over Long Creek is a concrete tee beam carrying Il 105(FAP 741) over Long Creek in Macon 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,100 vehicles a day, roughly 13% of them trucks, projected to reach 2,525 by 2046. The structure is 36 ft (11 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 105(FAP 741)
CrossesLong Creek
Location4 MI E of Decatur
RouteState Highway 105
Coordinates39.85055, -88.79388
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span31 ft (9.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,525 by 2046
Trucks13%
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

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 Il 105(FAP 741) over Long Creek built?

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

What condition is Il 105(FAP 741) over Long Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Il 105(FAP 741) over Long Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Il 105(FAP 741) over Long Creek?

The structure is 36 ft (11 m) long with a longest span of 31 ft (9.5 m) and a deck 44 ft wide.

Who owns Il 105(FAP 741) over Long Creek?

It is owned by the State Highway Agency.