US Bridges

Il 127 over NSRR

Good

Clinton County, Illinois · Posey · Structure no. 014001500000000

Built
1936
89 years old, rebuilt 1988
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
3,550
2023 count
Owner
State
State Highway Agency

About this bridge

Il 127 over NSRR is a steel continuous stringer/multi-beam or girder carrying Il 127 over NSRR in Clinton County, Illinois. It was built in 1936 and reconstructed in 1988, so it is 89 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,550 vehicles a day, roughly 14% of them trucks, projected to reach 4,125 by 2046. The structure is 159 ft (48.5 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesIl 127
CrossesNSRR
LocationPosey
RouteState Highway 127
Coordinates38.53666, -89.35284
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,550 (2023)
Projected traffic4,125 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.9 mi (24 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 127 over NSRR built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1988.

What condition is Il 127 over NSRR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Il 127 over NSRR carry?

About 3,550 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Il 127 over NSRR?

The structure is 159 ft (48.5 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns Il 127 over NSRR?

It is owned by the State Highway Agency.