US Bridges

N Rock Crk RD over Rock Creek

Good

McLennan County, Texas · 0.60 MI NE of Spur 1637 · Structure no. 091610AA0374001

Built
1993
32 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
46 ft
5 main spans
Daily traffic
1,162
2022 count
Owner
County
County Highway Agency

About this bridge

N Rock Crk RD over Rock Creek is a concrete culvert carrying N Rock Crk RD over Rock Creek in McLennan County, Texas. It was built in 1993, so it is 32 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 1,162 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2036. The structure is 46 ft (14 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN Rock Crk RD
CrossesRock Creek
Location0.60 MI NE of Spur 1637
RouteCounty Highway 417
StateTexas
Coordinates31.65416, -97.27845
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length46 ft (14 m)
Longest span8 ft (2.4 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,162 (2022)
Projected traffic1,000 by 2036
Trucks1%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$208,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Rock Crk RD over Rock Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is N Rock Crk RD over Rock 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 February 2024.

How much traffic does N Rock Crk RD over Rock Creek carry?

About 1,162 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is N Rock Crk RD over Rock Creek?

The structure is 46 ft (14 m) long with a longest span of 8 ft (2.4 m) and a deck 46 ft wide.

Who owns N Rock Crk RD over Rock Creek?

It is owned by the County Highway Agency.