US Bridges

Covered Bridge RD over Panther Creek

Good

Sangamon County, Illinois · 1.5 NW of Glenarm · Structure no. 084355900000000

Built
1978
47 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
113 ft
3 main spans
Daily traffic
500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Covered Bridge RD over Panther Creek is a prestressed concrete box beam or girders - multiple carrying Covered Bridge RD over Panther Creek in Sangamon County, Illinois. It was built in 1978, so it is 47 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 500 vehicles a day, roughly 3% of them trucks, projected to reach 606 by 2046. The structure is 113 ft (34.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCovered Bridge RD
CrossesPanther Creek
Location1.5 NW of Glenarm
Coordinates39.6403, -89.68336
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span37 ft (11.3 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic606 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 Covered Bridge RD over Panther Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Covered Bridge RD over Panther Creek 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 March 2023.

How much traffic does Covered Bridge RD over Panther Creek carry?

About 500 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Covered Bridge RD over Panther Creek?

The structure is 113 ft (34.4 m) long with a longest span of 37 ft (11.3 m) and a deck 27 ft wide.

Who owns Covered Bridge RD over Panther Creek?

It is owned by the City or Municipal Highway Agency.