US Bridges

Allen St(ms 2900) over Salt Creek

Good

De Witt County, Illinois · Farmer City · Structure no. 020600300000000

Built
1991
34 years old
Condition
Good
inspected June 2020
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
325
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Allen St(ms 2900) over Salt Creek is a concrete culvert carrying Allen St(ms 2900) over Salt Creek in De Witt County, Illinois. It was built in 1991, so it is 34 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 325 vehicles a day, roughly 2% of them trucks, projected to reach 253 by 2046. The structure is 22 ft (6.6 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesAllen St(ms 2900)
CrossesSalt Creek
LocationFarmer City
RouteCity Street 0
CountyDe Witt County
StateIllinois
Coordinates40.24589, -88.64308
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2022)
Projected traffic253 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Allen St(ms 2900) over Salt Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Allen St(ms 2900) over Salt 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 June 2020.

How much traffic does Allen St(ms 2900) over Salt Creek carry?

About 325 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Allen St(ms 2900) over Salt Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Allen St(ms 2900) over Salt Creek?

It is owned by the City or Municipal Highway Agency.