US Bridges

N Rock Creek Road over Northfork Rock Creek

FairPosted for load

McLennan County, Texas · 0.30 MI NE of FM 2490 · Structure no. 091610AA0374002

Built
1974
51 years old
Condition
Fair
inspected February 2024
Type
Other
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
810
2022 count
Owner
County
County Highway Agency

About this bridge

N Rock Creek Road over Northfork Rock Creek is a prestressed concrete other carrying N Rock Creek Road over Northfork Rock Creek in McLennan County, Texas. It was built in 1974, so it is 51 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 810 vehicles a day, projected to reach 550 by 2036. The structure is 92 ft (28 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN Rock Creek Road
CrossesNorthfork Rock Creek
Location0.30 MI NE of FM 2490
RouteCounty Highway 417
CountyMcLennan County
StateTexas
Coordinates31.66437, -97.25829
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length92 ft (28 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2022)
Projected traffic550 by 2036
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$418,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Rock Creek Road over Northfork Rock Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is N Rock Creek Road over Northfork Rock 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 February 2024.

How much traffic does N Rock Creek Road over Northfork Rock Creek carry?

About 810 vehicles per day (2022 count).

How long is N Rock Creek Road over Northfork Rock Creek?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns N Rock Creek Road over Northfork Rock Creek?

It is owned by the County Highway Agency.