US Bridges

Franklin ST over Big Dry Creek

Fair

Arapahoe County, Colorado · .2 MI South of Orchard RD · Structure no. CENT 19-2.5

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
242
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Franklin ST over Big Dry Creek is a prestressed concrete tee beam carrying Franklin ST over Big Dry Creek in Arapahoe County, Colorado. It was built in 1968, so it is 57 years old, older than the Colorado average of 42.2 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 242 vehicles a day, roughly 2% of them trucks, projected to reach 295 by 2041. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFranklin ST
CrossesBig Dry Creek
Location.2 MI South of Orchard RD
RouteCity Street 0
Coordinates39.60654, -104.96935
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic242 (2021)
Projected traffic295 by 2041
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Franklin ST over Big Dry Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Franklin ST over Big Dry 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 October 2023.

How much traffic does Franklin ST over Big Dry Creek carry?

About 242 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Franklin ST over Big Dry Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Franklin ST over Big Dry Creek?

It is owned by the City or Municipal Highway Agency.