US Bridges

County HWY 28 over Horse Creek

PoorPosted for load

Sangamon County, Illinois · 2.0 MI S Pawnee · Structure no. 084303400000000

Built
1957
68 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
375
2022 count
Owner
County
County Highway Agency

About this bridge

County HWY 28 over Horse Creek is a concrete continuous slab carrying County HWY 28 over Horse Creek in Sangamon County, Illinois. It was built in 1957, so it is 68 years old, older 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 4 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. Its operating status is: posted for load restriction.

It carries about 375 vehicles a day, roughly 13% of them trucks, projected to reach 404 by 2046. The structure is 110 ft (33.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty HWY 28
CrossesHorse Creek
Location2.0 MI S Pawnee
RouteCounty Highway 0
Coordinates39.56013, -89.57181
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length110 ft (33.5 m)
Longest span41 ft (12.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2022)
Projected traffic404 by 2046
Trucks13%
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

OwnerCounty Highway Agency
Maintained byCounty 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 County HWY 28 over Horse Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is County HWY 28 over Horse 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 March 2023.

How much traffic does County HWY 28 over Horse Creek carry?

About 375 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is County HWY 28 over Horse Creek?

The structure is 110 ft (33.5 m) long with a longest span of 41 ft (12.5 m) and a deck 26 ft wide.

Who owns County HWY 28 over Horse Creek?

It is owned by the County Highway Agency.