US Bridges

US 84 over N Flat Creek

Good

McLennan County, Texas · 0.4 MI W of SH 6 · Structure no. 091610005508057

Built
1964
61 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
31,076
2020 count
Owner
State
State Highway Agency

About this bridge

US 84 over N Flat Creek is a concrete culvert carrying US 84 over N Flat Creek in McLennan County, Texas. It was built in 1964, so it is 61 years old, older 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 31,076 vehicles a day, roughly 2% of them trucks, projected to reach 43,490 by 2037. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 84
CrossesN Flat Creek
Location0.4 MI W of SH 6
RouteU.S. Route 84
StateTexas
Coordinates31.50928, -97.1949
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,076 (2020)
Projected traffic43,490 by 2037
Trucks2%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 84 over N Flat Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 84 over N Flat 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 US 84 over N Flat Creek carry?

About 31,076 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 84 over N Flat Creek?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m).

Who owns US 84 over N Flat Creek?

It is owned by the State Highway Agency.