US Bridges

FAP 770 (il 128) over Robinson Creek Trib

Fair

Shelby County, Illinois · .3 MI S Findlay RD · Structure no. 087003100000000

Built
2009
16 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
2,850
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 770 (il 128) over Robinson Creek Trib is a steel stringer/multi-beam or girder carrying FAP 770 (il 128) over Robinson Creek Trib in Shelby County, Illinois. It was built in 2009, so it is 16 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,850 vehicles a day, roughly 15% of them trucks, projected to reach 2,525 by 2046. The structure is 76 ft (23.3 m) long and 39 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

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CarriesFAP 770 (il 128)
CrossesRobinson Creek Trib
Location.3 MI S Findlay RD
RouteState Highway 128
CountyShelby County
StateIllinois
Coordinates39.5188, -88.80807
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length76 ft (23.3 m)
Longest span72 ft (22 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2023)
Projected traffic2,525 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 770 (il 128) over Robinson Creek Trib built?

It was built in 2009, making it 16 years old in 2025.

What condition is FAP 770 (il 128) over Robinson Creek Trib in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does FAP 770 (il 128) over Robinson Creek Trib carry?

About 2,850 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is FAP 770 (il 128) over Robinson Creek Trib?

The structure is 76 ft (23.3 m) long with a longest span of 72 ft (22 m) and a deck 39 ft wide.

Who owns FAP 770 (il 128) over Robinson Creek Trib?

It is owned by the State Highway Agency.