US Bridges

TR 148A(SANNER Rd) over Long Grove Creek

Poor

Macon County, Illinois · 5.4 MI SE of Macon · Structure no. 058503600000000

Built
1990
35 years old
Condition
Poor
inspected February 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 148A(SANNER Rd) over Long Grove Creek is a concrete culvert carrying TR 148A(SANNER Rd) over Long Grove Creek in Macon County, Illinois. It was built in 1990, so it is 35 years old, younger 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 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2046. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 148A(SANNER Rd)
CrossesLong Grove Creek
Location5.4 MI SE of Macon
RouteCounty Highway 0
CountyMacon County
StateIllinois
Coordinates39.65881, -88.92117
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 148A(SANNER Rd) over Long Grove Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is TR 148A(SANNER Rd) over Long Grove 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 2024.

How much traffic does TR 148A(SANNER Rd) over Long Grove Creek carry?

About 25 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is TR 148A(SANNER Rd) over Long Grove Creek?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.5 m).

Who owns TR 148A(SANNER Rd) over Long Grove Creek?

It is owned by the Town or Township Highway Agency.