US Bridges

Thunderbird Pond R over Turman Creek

FairPosted for load

Sullivan County, Indiana · 00.81 S of CR 950 N · Structure no. 7700230

Built
1940
85 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Concrete Continuous
Length
69 ft
2 main spans
Daily traffic
110
2011 count
Owner
County
County Highway Agency

About this bridge

Thunderbird Pond R over Turman Creek is a concrete continuous girder and floorbeam system carrying Thunderbird Pond R over Turman Creek in Sullivan County, Indiana. It was built in 1940, so it is 85 years old, older 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 1% of them trucks, projected to reach 130 by 2031. The structure is 69 ft (21 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesThunderbird Pond R
CrossesTurman Creek
Location00.81 S of CR 950 N
RouteCounty Highway 0
CountySullivan County
StateIndiana
Coordinates39.21312, -87.42534
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating21.2 US tons
Inventory rating20.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length69 ft (21 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2011)
Projected traffic130 by 2031
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$996,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thunderbird Pond R over Turman Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Thunderbird Pond R over Turman Creek 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 August 2023.

How much traffic does Thunderbird Pond R over Turman Creek carry?

About 110 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Thunderbird Pond R over Turman Creek?

The structure is 69 ft (21 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Thunderbird Pond R over Turman Creek?

It is owned by the County Highway Agency.