US Bridges

CR 173 over Gum Creek

Good

Washington County, Florida · 0.1 MI North of HWY 280 · Structure no. 610039

Built
1964
61 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
800
2023 count
Owner
County
County Highway Agency

About this bridge

CR 173 over Gum Creek is a concrete culvert carrying CR 173 over Gum Creek in Washington County, Florida. It was built in 1964, so it is 61 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 800 vehicles a day, roughly 13% of them trucks, projected to reach 1,388 by 2042. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 173
CrossesGum Creek
Location0.1 MI North of HWY 280
RouteCounty Highway 173
StateFlorida
Coordinates30.71497, -85.74954
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,388 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 173 over Gum Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is CR 173 over Gum Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does CR 173 over Gum Creek carry?

About 800 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is CR 173 over Gum Creek?

The structure is 45 ft (13.7 m) long with a longest span of 11 ft (3.5 m).

Who owns CR 173 over Gum Creek?

It is owned by the County Highway Agency.