US Bridges

US-98 (SR-700) over Istokpoga Creek

Fair

Highlands County, Florida · 17MI East of US-27 · Structure no. 090034

Built
1950
75 years old, rebuilt 2004
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

US-98 (SR-700) over Istokpoga Creek is a concrete culvert carrying US-98 (SR-700) over Istokpoga Creek in Highlands County, Florida. It was built in 1950 and reconstructed in 2004, so it is 75 years old, older than the Florida average of 41.3 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 3,600 vehicles a day, roughly 25% of them trucks, projected to reach 6,246 by 2042. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 30.4 mi (49 km).

CarriesUS-98 (SR-700)
CrossesIstokpoga Creek
Location17MI East of US-27
RouteU.S. Route 98
StateFlorida
Coordinates27.40111, -81.16625
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic6,246 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed30.4 mi (49 km)
TollOn a free road
National Highway SystemYes

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 US-98 (SR-700) over Istokpoga Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2004.

What condition is US-98 (SR-700) over Istokpoga 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 April 2023.

How much traffic does US-98 (SR-700) over Istokpoga Creek carry?

About 3,600 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is US-98 (SR-700) over Istokpoga Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3.2 m).

Who owns US-98 (SR-700) over Istokpoga Creek?

It is owned by the State Highway Agency.