US Bridges

Spencer ST over Drainage Ditch

Good

Tazewell County, Illinois · E-29-T26NR4W · Structure no. 090603100000000

Built
1960
65 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,150
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spencer ST over Drainage Ditch is a concrete culvert carrying Spencer ST over Drainage Ditch in Tazewell County, Illinois. It was built in 1960, so it is 65 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 1,150 vehicles a day, roughly 7% of them trucks, projected to reach 1,162 by 2046. The structure is 26 ft (8 m) long and 42 ft wide.

CarriesSpencer ST
CrossesDrainage Ditch
LocationE-29-T26NR4W
RouteCity Street 0
Coordinates40.66794, -89.60108
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width42 ft (12.9 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2018)
Projected traffic1,162 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Spencer ST over Drainage Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Spencer ST over Drainage Ditch 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 July 2023.

How much traffic does Spencer ST over Drainage Ditch carry?

About 1,150 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Spencer ST over Drainage Ditch?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns Spencer ST over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.