US Bridges

SP 503 N FR over Waterloo Creek

Good

Grayson County, Texas · 0.2 MI W of SH 91 · Structure no. 010920004719258

Built
1984
41 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
11,904
2020 count
Owner
State
State Highway Agency

About this bridge

SP 503 N FR over Waterloo Creek is a concrete culvert carrying SP 503 N FR over Waterloo Creek in Grayson County, Texas. It was built in 1984, so it is 41 years old, younger than the Texas average of 44.4 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 11,904 vehicles a day, roughly 6% of them trucks, projected to reach 8,110 by 2030. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSP 503 N FR
CrossesWaterloo Creek
Location0.2 MI W of SH 91
RouteState Highway 503
CountyGrayson County
StateTexas
Coordinates33.72253, -96.56292
Functional classUrban Other Principal Arterial

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 inspectionMarch 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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,904 (2020)
Projected traffic8,110 by 2030
Trucks6%
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

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 SP 503 N FR over Waterloo Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SP 503 N FR over Waterloo 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 March 2023.

How much traffic does SP 503 N FR over Waterloo Creek carry?

About 11,904 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SP 503 N FR over Waterloo Creek?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m).

Who owns SP 503 N FR over Waterloo Creek?

It is owned by the State Highway Agency.