US Bridges

Ill 127 over Mid Trib Flat Branch

Fair

Clinton County, Illinois · 2.8 M S of Bond CO L · Structure no. 014200500000000

Built
1937
88 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
3,250
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 127 over Mid Trib Flat Branch is a concrete continuous culvert carrying Ill 127 over Mid Trib Flat Branch in Clinton County, Illinois. It was built in 1937, so it is 88 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 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 3,250 vehicles a day, roughly 16% of them trucks, projected to reach 4,070 by 2046. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 60.3 mi (97 km).

CarriesIll 127
CrossesMid Trib Flat Branch
Location2.8 M S of Bond CO L
RouteState Highway 127
Coordinates38.70061, -89.37205
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating63.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2023)
Projected traffic4,070 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 Ill 127 over Mid Trib Flat Branch built?

It was built in 1937, making it 88 years old in 2025.

What condition is Ill 127 over Mid Trib Flat Branch 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 2024.

How much traffic does Ill 127 over Mid Trib Flat Branch carry?

About 3,250 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Ill 127 over Mid Trib Flat Branch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Ill 127 over Mid Trib Flat Branch?

It is owned by the State Highway Agency.