US Bridges

Nelson RD TR 14A over I-88

Fair

Lee County, Illinois · 2 MI S of Nelson · Structure no. 052991100000000

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
4 main spans
Daily traffic
775
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nelson RD TR 14A over I-88 is a prestressed concrete stringer/multi-beam or girder carrying Nelson RD TR 14A over I-88 in Lee County, Illinois. It was built in 1974, so it is 51 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 775 vehicles a day, roughly 41% of them trucks, projected to reach 1,061 by 2046. The structure is 229 ft (69.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNelson RD TR 14A
CrossesI-88
Location2 MI S of Nelson
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.76705, -89.60143
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span79 ft (24.1 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2022)
Projected traffic1,061 by 2046
Trucks41%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Nelson RD TR 14A over I-88 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Nelson RD TR 14A over I-88 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 June 2023.

How much traffic does Nelson RD TR 14A over I-88 carry?

About 775 vehicles per day (2022 count), of which roughly 41% are trucks.

How long is Nelson RD TR 14A over I-88?

The structure is 229 ft (69.8 m) long with a longest span of 79 ft (24.1 m) and a deck 34 ft wide.

Who owns Nelson RD TR 14A over I-88?

It is owned by the State Toll Authority.