US Bridges

TR 73A-MCNEAL RD over I-39 & US 51

Fair

Ogle County, Illinois · 2.5 MI N of Ill 72 · Structure no. 071004500000000

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
2 main spans
Daily traffic
100
2022 count
Owner
State
State Highway Agency

About this bridge

TR 73A-MCNEAL RD over I-39 & US 51 is a steel continuous stringer/multi-beam or girder carrying TR 73A-MCNEAL RD over I-39 & US 51 in Ogle County, Illinois. It was built in 1980, so it is 45 years old, younger 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 100 vehicles a day, roughly 29% of them trucks, projected to reach 130 by 2046. The structure is 256 ft (78 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 73A-MCNEAL RD
CrossesI-39 & US 51
Location2.5 MI N of Ill 72
RouteCounty Highway 0
CountyOgle County
StateIllinois
Coordinates42.137, -89.02309
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length256 ft (78 m)
Longest span104 ft (31.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic130 by 2046
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 TR 73A-MCNEAL RD over I-39 & US 51 built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR 73A-MCNEAL RD over I-39 & US 51 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 July 2023.

How much traffic does TR 73A-MCNEAL RD over I-39 & US 51 carry?

About 100 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is TR 73A-MCNEAL RD over I-39 & US 51?

The structure is 256 ft (78 m) long with a longest span of 104 ft (31.7 m) and a deck 30 ft wide.

Who owns TR 73A-MCNEAL RD over I-39 & US 51?

It is owned by the State Highway Agency.