US Bridges

FAU 6784 Callahan over UP R.R. under

PoorPosted for load

Muskogee County, Oklahoma · .85E of 12th ST · Structure no. 000420000000000

Built
1905
120 years old, rebuilt 2005
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
260 ft
3 main spans
Daily traffic
7,560
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 6784 Callahan over UP R.R. under is a steel truss - thru carrying FAU 6784 Callahan over UP R.R. under in Muskogee County, Oklahoma. It was built in 1905 and reconstructed in 2005, so it is 120 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 7,560 vehicles a day, roughly 5% of them trucks, projected to reach 12,096 by 2042. The structure is 260 ft (79.2 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAU 6784 Callahan
CrossesUP R.R. under
Location.85E of 12th ST
RouteCity Street 6784
Coordinates35.74935, -95.3675
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.1 US tons
Inventory rating20.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length260 ft (79.2 m)
Longest span100 ft (30.5 m)
Deck width41 ft (12.4 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck20 ft (6.2 m)

Traffic and service

Average daily traffic7,560 (2022)
Projected traffic12,096 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$628,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 6784 Callahan over UP R.R. under built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 2005.

What condition is FAU 6784 Callahan over UP R.R. under in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does FAU 6784 Callahan over UP R.R. under carry?

About 7,560 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAU 6784 Callahan over UP R.R. under?

The structure is 260 ft (79.2 m) long with a longest span of 100 ft (30.5 m) and a deck 41 ft wide.

Who owns FAU 6784 Callahan over UP R.R. under?

It is owned by the City or Municipal Highway Agency.