US Bridges

TR 21 Pleasant Dal over East Panther Cr. Br.

Good

Calhoun County, Illinois · 4.9MI NW Kampsville · Structure no. 007307700000000

Built
2008
17 years old
Condition
Good
inspected December 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 21 Pleasant Dal over East Panther Cr. Br. is a prestressed concrete box beam or girders - multiple carrying TR 21 Pleasant Dal over East Panther Cr. Br. in Calhoun County, Illinois. It was built in 2008, so it is 17 years old, younger 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 75 vehicles a day, roughly 17% of them trucks, projected to reach 76 by 2046. The structure is 40 ft (12.2 m) long and 24 ft wide.

CarriesTR 21 Pleasant Dal
CrossesEast Panther Cr. Br.
Location4.9MI NW Kampsville
RouteCounty Highway 0
Coordinates39.34989, -90.66124
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (10.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic76 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 21 Pleasant Dal over East Panther Cr. Br. built?

It was built in 2008, making it 17 years old in 2025.

What condition is TR 21 Pleasant Dal over East Panther Cr. Br. 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 December 2022.

How much traffic does TR 21 Pleasant Dal over East Panther Cr. Br. carry?

About 75 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is TR 21 Pleasant Dal over East Panther Cr. Br.?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (10.9 m) and a deck 24 ft wide.

Who owns TR 21 Pleasant Dal over East Panther Cr. Br.?

It is owned by the Town or Township Highway Agency.