US Bridges

Timberbrook Run over Grassy Branch

Fair

Hamilton County, Indiana · 00.02 S of SR 32 · Structure no. 2900286

Built
1990
35 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
510
2024 count
Owner
County
County Highway Agency

About this bridge

Timberbrook Run over Grassy Branch is a prestressed concrete box beam or girders - multiple carrying Timberbrook Run over Grassy Branch in Hamilton County, Indiana. It was built in 1990, so it is 35 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 510 vehicles a day, roughly 3% of them trucks, projected to reach 920 by 2044. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesTimberbrook Run
CrossesGrassy Branch
Location00.02 S of SR 32
RouteCity Street 0
CountyHamilton County
StateIndiana
Coordinates40.04251, -86.12127
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating38.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span20 ft (6.2 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2024)
Projected traffic920 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Timberbrook Run over Grassy Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Timberbrook Run over Grassy Branch 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 September 2023.

How much traffic does Timberbrook Run over Grassy Branch carry?

About 510 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Timberbrook Run over Grassy Branch?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.2 m) and a deck 28 ft wide.

Who owns Timberbrook Run over Grassy Branch?

It is owned by the County Highway Agency.