US Bridges

TR 142 a over Lynn Creek

Poor

Moultrie County, Illinois · 4 MI NW of Gaus · Structure no. 070480200000000

Built
1956
69 years old
Condition
Poor
inspected February 2025
Type
Slab
Concrete
Length
45 ft
2 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 142 a over Lynn Creek is a concrete slab carrying TR 142 a over Lynn Creek in Moultrie County, Illinois. It was built in 1956, so it is 69 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 3 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 105 by 2046. The structure is 45 ft (13.6 m) long and 23 ft wide.

CarriesTR 142 a
CrossesLynn Creek
Location4 MI NW of Gaus
RouteCounty Highway 0
Coordinates39.50277, -88.54637
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length45 ft (13.6 m)
Longest span21 ft (6.4 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic105 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 142 a over Lynn Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is TR 142 a over Lynn 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 February 2025.

How much traffic does TR 142 a over Lynn Creek carry?

About 100 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is TR 142 a over Lynn Creek?

The structure is 45 ft (13.6 m) long with a longest span of 21 ft (6.4 m) and a deck 23 ft wide.

Who owns TR 142 a over Lynn Creek?

It is owned by the Town or Township Highway Agency.